/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 18:39:49,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 18:39:49,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 18:39:49,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 18:39:49,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 18:39:49,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 18:39:49,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 18:39:49,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 18:39:49,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 18:39:49,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 18:39:49,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 18:39:49,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 18:39:49,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 18:39:49,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 18:39:49,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 18:39:49,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 18:39:49,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 18:39:49,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 18:39:49,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 18:39:49,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 18:39:49,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 18:39:49,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 18:39:49,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 18:39:49,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 18:39:49,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 18:39:49,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 18:39:49,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 18:39:49,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 18:39:49,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 18:39:49,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 18:39:49,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 18:39:49,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 18:39:49,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 18:39:49,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 18:39:49,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 18:39:49,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 18:39:49,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 18:39:49,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 18:39:49,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 18:39:49,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 18:39:49,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 18:39:49,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 18:39:49,832 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 18:39:49,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 18:39:49,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 18:39:49,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 18:39:49,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 18:39:49,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 18:39:49,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 18:39:49,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 18:39:49,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 18:39:49,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 18:39:49,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 18:39:49,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 18:39:49,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 18:39:49,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 18:39:49,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 18:39:49,838 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 18:39:49,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 18:39:49,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 18:39:49,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 18:39:49,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 18:39:49,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 18:39:49,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 18:39:49,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 18:39:50,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 18:39:50,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 18:39:50,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 18:39:50,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 18:39:50,276 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 18:39:50,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-21 18:39:50,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df546549c/b50c8d9b82274da59cd35b5f29983c62/FLAG818222758 [2021-02-21 18:39:51,124 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 18:39:51,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2021-02-21 18:39:51,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df546549c/b50c8d9b82274da59cd35b5f29983c62/FLAG818222758 [2021-02-21 18:39:51,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df546549c/b50c8d9b82274da59cd35b5f29983c62 [2021-02-21 18:39:51,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 18:39:51,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 18:39:51,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 18:39:51,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 18:39:51,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 18:39:51,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 06:39:51" (1/1) ... [2021-02-21 18:39:51,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d32618d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:51, skipping insertion in model container [2021-02-21 18:39:51,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 06:39:51" (1/1) ... [2021-02-21 18:39:51,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 18:39:51,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 18:39:51,985 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] [2021-02-21 18:39:52,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 18:39:52,238 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 18:39:52,337 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] [2021-02-21 18:39:52,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 18:39:52,460 INFO L208 MainTranslator]: Completed translation [2021-02-21 18:39:52,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52 WrapperNode [2021-02-21 18:39:52,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 18:39:52,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 18:39:52,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 18:39:52,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 18:39:52,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (1/1) ... [2021-02-21 18:39:52,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (1/1) ... [2021-02-21 18:39:52,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (1/1) ... [2021-02-21 18:39:52,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (1/1) ... [2021-02-21 18:39:52,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (1/1) ... [2021-02-21 18:39:52,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (1/1) ... [2021-02-21 18:39:52,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (1/1) ... [2021-02-21 18:39:52,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 18:39:52,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 18:39:52,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 18:39:52,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 18:39:52,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (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 [2021-02-21 18:39:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 18:39:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 18:39:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 18:39:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 18:39:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2021-02-21 18:39:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2021-02-21 18:39:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2021-02-21 18:39:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2021-02-21 18:39:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2021-02-21 18:39:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 18:39:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 18:39:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2021-02-21 18:39:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 18:39:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 18:39:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 18:39:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 18:39:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 18:39:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2021-02-21 18:39:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2021-02-21 18:39:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2021-02-21 18:39:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-02-21 18:39:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-02-21 18:39:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-02-21 18:39:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-02-21 18:39:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2021-02-21 18:39:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2021-02-21 18:39:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2021-02-21 18:39:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2021-02-21 18:39:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-02-21 18:39:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-02-21 18:39:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-02-21 18:39:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-02-21 18:39:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-02-21 18:39:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2021-02-21 18:39:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-02-21 18:39:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2021-02-21 18:39:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-02-21 18:39:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2021-02-21 18:39:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2021-02-21 18:39:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-02-21 18:39:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2021-02-21 18:39:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2021-02-21 18:39:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2021-02-21 18:39:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2021-02-21 18:39:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-02-21 18:39:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-02-21 18:39:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2021-02-21 18:39:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2021-02-21 18:39:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2021-02-21 18:39:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2021-02-21 18:39:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-21 18:39:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 18:39:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2021-02-21 18:39:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 18:39:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 18:39:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 18:39:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 18:39:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 18:39:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 18:39:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2021-02-21 18:39:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2021-02-21 18:39:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2021-02-21 18:39:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2021-02-21 18:39:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2021-02-21 18:39:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-02-21 18:39:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-02-21 18:39:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2021-02-21 18:39:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2021-02-21 18:39:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2021-02-21 18:39:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2021-02-21 18:39:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-02-21 18:39:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-02-21 18:39:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2021-02-21 18:39:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2021-02-21 18:39:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-02-21 18:39:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-02-21 18:39:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2021-02-21 18:39:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2021-02-21 18:39:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-02-21 18:39:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2021-02-21 18:39:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-02-21 18:39:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2021-02-21 18:39:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-02-21 18:39:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-02-21 18:39:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2021-02-21 18:39:52,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2021-02-21 18:39:52,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2021-02-21 18:39:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-02-21 18:39:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2021-02-21 18:39:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-02-21 18:39:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2021-02-21 18:39:52,821 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2021-02-21 18:39:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 18:39:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 18:39:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 18:39:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 18:39:52,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 18:39:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 18:39:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-21 18:39:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2021-02-21 18:39:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-02-21 18:39:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 18:39:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 18:39:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 18:39:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2021-02-21 18:39:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2021-02-21 18:39:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2021-02-21 18:39:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-02-21 18:39:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-02-21 18:39:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2021-02-21 18:39:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2021-02-21 18:39:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2021-02-21 18:39:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2021-02-21 18:39:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2021-02-21 18:39:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 18:39:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 18:39:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 18:39:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2021-02-21 18:39:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 18:39:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2021-02-21 18:39:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2021-02-21 18:39:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2021-02-21 18:39:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-02-21 18:39:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-02-21 18:39:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-02-21 18:39:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-02-21 18:39:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2021-02-21 18:39:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2021-02-21 18:39:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2021-02-21 18:39:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2021-02-21 18:39:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-02-21 18:39:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-02-21 18:39:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-02-21 18:39:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-02-21 18:39:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-02-21 18:39:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2021-02-21 18:39:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-02-21 18:39:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2021-02-21 18:39:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-02-21 18:39:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2021-02-21 18:39:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2021-02-21 18:39:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2021-02-21 18:39:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2021-02-21 18:39:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2021-02-21 18:39:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-02-21 18:39:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2021-02-21 18:39:52,843 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2021-02-21 18:39:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2021-02-21 18:39:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2021-02-21 18:39:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2021-02-21 18:39:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2021-02-21 18:39:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2021-02-21 18:39:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 18:39:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-02-21 18:39:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2021-02-21 18:39:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 18:39:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 18:39:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 18:39:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 18:39:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 18:39:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 18:39:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 18:39:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 18:39:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 18:39:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 18:39:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 18:39:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 18:39:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 18:39:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 18:39:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 18:39:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2021-02-21 18:39:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2021-02-21 18:39:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2021-02-21 18:39:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2021-02-21 18:39:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-02-21 18:39:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-02-21 18:39:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2021-02-21 18:39:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2021-02-21 18:39:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2021-02-21 18:39:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-02-21 18:39:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2021-02-21 18:39:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-02-21 18:39:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2021-02-21 18:39:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2021-02-21 18:39:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-02-21 18:39:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2021-02-21 18:39:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2021-02-21 18:39:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2021-02-21 18:39:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2021-02-21 18:39:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 18:39:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 18:39:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 18:39:55,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 18:39:55,237 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-21 18:39:55,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 06:39:55 BoogieIcfgContainer [2021-02-21 18:39:55,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 18:39:55,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 18:39:55,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 18:39:55,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 18:39:55,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 06:39:51" (1/3) ... [2021-02-21 18:39:55,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a85699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 06:39:55, skipping insertion in model container [2021-02-21 18:39:55,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 06:39:52" (2/3) ... [2021-02-21 18:39:55,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a85699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 06:39:55, skipping insertion in model container [2021-02-21 18:39:55,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 06:39:55" (3/3) ... [2021-02-21 18:39:55,254 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2021-02-21 18:39:55,262 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 18:39:55,269 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 18:39:55,290 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 18:39:55,329 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 18:39:55,330 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 18:39:55,330 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 18:39:55,330 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 18:39:55,330 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 18:39:55,330 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 18:39:55,330 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 18:39:55,331 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 18:39:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2021-02-21 18:39:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-02-21 18:39:55,410 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:39:55,411 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] [2021-02-21 18:39:55,412 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:39:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:39:55,425 INFO L82 PathProgramCache]: Analyzing trace with hash -377162890, now seen corresponding path program 1 times [2021-02-21 18:39:55,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:39:55,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774874727] [2021-02-21 18:39:55,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:39:55,525 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:39:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:56,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:56,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:56,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:56,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:57,949 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:39:57,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:39:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:39:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:39:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:39:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:39:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:39:58,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:39:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:39:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:39:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:39:58,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:39:58,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:39:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:39:58,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:39:58,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 18:39:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:39:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-21 18:39:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:39:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:39:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-21 18:39:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-21 18:39:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-21 18:39:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-02-21 18:39:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:39:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-02-21 18:39:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-21 18:39:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:39:58,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:39:58,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:39:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-21 18:39:58,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774874727] [2021-02-21 18:39:58,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:39:58,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-21 18:39:58,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822144542] [2021-02-21 18:39:58,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-21 18:39:58,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:39:58,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-21 18:39:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-21 18:39:58,785 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 13 states. [2021-02-21 18:40:02,228 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:40:04,050 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:40:06,419 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-21 18:40:08,302 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:40:10,054 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:40:11,823 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:40:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:40:22,349 INFO L93 Difference]: Finished difference Result 1213 states and 1444 transitions. [2021-02-21 18:40:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-21 18:40:22,351 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 387 [2021-02-21 18:40:22,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:40:22,374 INFO L225 Difference]: With dead ends: 1213 [2021-02-21 18:40:22,374 INFO L226 Difference]: Without dead ends: 779 [2021-02-21 18:40:22,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2021-02-21 18:40:22,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2021-02-21 18:40:23,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 563. [2021-02-21 18:40:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2021-02-21 18:40:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 613 transitions. [2021-02-21 18:40:23,016 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 613 transitions. Word has length 387 [2021-02-21 18:40:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:40:23,017 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 613 transitions. [2021-02-21 18:40:23,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-21 18:40:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 613 transitions. [2021-02-21 18:40:23,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-02-21 18:40:23,029 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:40:23,030 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] [2021-02-21 18:40:23,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 18:40:23,031 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:40:23,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:40:23,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1027820035, now seen corresponding path program 1 times [2021-02-21 18:40:23,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:40:23,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038896279] [2021-02-21 18:40:23,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:40:23,038 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:40:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:23,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:23,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:23,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:23,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:40:23,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:23,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,013 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:40:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:40:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:40:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:40:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:40:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:40:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:40:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:40:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:40:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-02-21 18:40:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:40:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:40:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-02-21 18:40:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-02-21 18:40:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-02-21 18:40:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-21 18:40:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:40:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-02-21 18:40:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-02-21 18:40:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:25,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:25,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:40:25,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038896279] [2021-02-21 18:40:25,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:40:25,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 18:40:25,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248592396] [2021-02-21 18:40:25,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 18:40:25,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:40:25,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 18:40:25,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-21 18:40:25,526 INFO L87 Difference]: Start difference. First operand 563 states and 613 transitions. Second operand 9 states. [2021-02-21 18:40:29,617 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:40:35,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:40:35,977 INFO L93 Difference]: Finished difference Result 1008 states and 1141 transitions. [2021-02-21 18:40:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 18:40:35,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 389 [2021-02-21 18:40:35,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:40:35,987 INFO L225 Difference]: With dead ends: 1008 [2021-02-21 18:40:35,987 INFO L226 Difference]: Without dead ends: 780 [2021-02-21 18:40:35,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-02-21 18:40:35,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-02-21 18:40:36,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 565. [2021-02-21 18:40:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2021-02-21 18:40:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 615 transitions. [2021-02-21 18:40:36,435 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 615 transitions. Word has length 389 [2021-02-21 18:40:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:40:36,436 INFO L480 AbstractCegarLoop]: Abstraction has 565 states and 615 transitions. [2021-02-21 18:40:36,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 18:40:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 615 transitions. [2021-02-21 18:40:36,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-02-21 18:40:36,441 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:40:36,441 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] [2021-02-21 18:40:36,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 18:40:36,442 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:40:36,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:40:36,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1939209913, now seen corresponding path program 1 times [2021-02-21 18:40:36,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:40:36,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386246265] [2021-02-21 18:40:36,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:40:36,448 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:40:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:36,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:36,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:36,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:36,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:40:36,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:36,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:40:36,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:36,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,253 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:40:38,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:40:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:40:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:40:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:40:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:40:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:40:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:40:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:40:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-02-21 18:40:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:40:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:40:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-02-21 18:40:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-21 18:40:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-02-21 18:40:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-02-21 18:40:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:40:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-02-21 18:40:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-02-21 18:40:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:38,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:38,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:40:38,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386246265] [2021-02-21 18:40:38,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:40:38,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 18:40:38,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438359370] [2021-02-21 18:40:38,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 18:40:38,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:40:38,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 18:40:38,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-21 18:40:38,797 INFO L87 Difference]: Start difference. First operand 565 states and 615 transitions. Second operand 10 states. [2021-02-21 18:40:42,638 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:40:44,351 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:40:51,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:40:51,613 INFO L93 Difference]: Finished difference Result 1083 states and 1241 transitions. [2021-02-21 18:40:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-21 18:40:51,613 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 398 [2021-02-21 18:40:51,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:40:51,621 INFO L225 Difference]: With dead ends: 1083 [2021-02-21 18:40:51,622 INFO L226 Difference]: Without dead ends: 855 [2021-02-21 18:40:51,623 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 [2021-02-21 18:40:51,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-02-21 18:40:52,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 635. [2021-02-21 18:40:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2021-02-21 18:40:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 708 transitions. [2021-02-21 18:40:52,346 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 708 transitions. Word has length 398 [2021-02-21 18:40:52,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:40:52,347 INFO L480 AbstractCegarLoop]: Abstraction has 635 states and 708 transitions. [2021-02-21 18:40:52,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 18:40:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 708 transitions. [2021-02-21 18:40:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-02-21 18:40:52,351 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:40:52,352 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] [2021-02-21 18:40:52,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 18:40:52,352 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:40:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:40:52,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1663948186, now seen corresponding path program 1 times [2021-02-21 18:40:52,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:40:52,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732997175] [2021-02-21 18:40:52,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:40:52,359 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:40:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:52,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:52,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:52,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:52,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:40:52,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:52,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,232 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:40:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:40:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:40:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:40:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:40:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:40:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:40:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:40:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:40:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:40:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-02-21 18:40:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:40:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:40:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-02-21 18:40:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-02-21 18:40:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-02-21 18:40:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-02-21 18:40:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:40:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-02-21 18:40:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-02-21 18:40:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:40:54,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:40:54,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:40:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:40:54,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732997175] [2021-02-21 18:40:54,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:40:54,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 18:40:54,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325477366] [2021-02-21 18:40:54,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 18:40:54,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:40:54,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 18:40:54,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-21 18:40:54,746 INFO L87 Difference]: Start difference. First operand 635 states and 708 transitions. Second operand 9 states. [2021-02-21 18:40:58,450 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:41:05,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:41:05,459 INFO L93 Difference]: Finished difference Result 1360 states and 1611 transitions. [2021-02-21 18:41:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 18:41:05,460 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 401 [2021-02-21 18:41:05,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:41:05,469 INFO L225 Difference]: With dead ends: 1360 [2021-02-21 18:41:05,470 INFO L226 Difference]: Without dead ends: 986 [2021-02-21 18:41:05,472 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 [2021-02-21 18:41:05,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-02-21 18:41:06,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 702. [2021-02-21 18:41:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2021-02-21 18:41:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 796 transitions. [2021-02-21 18:41:06,144 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 796 transitions. Word has length 401 [2021-02-21 18:41:06,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:41:06,145 INFO L480 AbstractCegarLoop]: Abstraction has 702 states and 796 transitions. [2021-02-21 18:41:06,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 18:41:06,145 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 796 transitions. [2021-02-21 18:41:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-02-21 18:41:06,149 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:41:06,149 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] [2021-02-21 18:41:06,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 18:41:06,150 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:41:06,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:41:06,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2070444459, now seen corresponding path program 1 times [2021-02-21 18:41:06,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:41:06,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059577287] [2021-02-21 18:41:06,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:41:06,155 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:41:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:06,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:06,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:06,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:06,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:41:06,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:06,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:07,982 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:41:07,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:41:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:41:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:41:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:41:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:41:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:41:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:41:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:41:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-02-21 18:41:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:41:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:41:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-02-21 18:41:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-02-21 18:41:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-21 18:41:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-02-21 18:41:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:41:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-21 18:41:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-02-21 18:41:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:08,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:08,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:41:08,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059577287] [2021-02-21 18:41:08,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:41:08,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 18:41:08,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038940025] [2021-02-21 18:41:08,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 18:41:08,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:41:08,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 18:41:08,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-21 18:41:08,401 INFO L87 Difference]: Start difference. First operand 702 states and 796 transitions. Second operand 9 states. [2021-02-21 18:41:12,354 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:41:19,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:41:19,735 INFO L93 Difference]: Finished difference Result 1666 states and 2017 transitions. [2021-02-21 18:41:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 18:41:19,741 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 405 [2021-02-21 18:41:19,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:41:19,750 INFO L225 Difference]: With dead ends: 1666 [2021-02-21 18:41:19,751 INFO L226 Difference]: Without dead ends: 1234 [2021-02-21 18:41:19,753 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 [2021-02-21 18:41:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-21 18:41:20,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-21 18:41:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-21 18:41:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 960 transitions. [2021-02-21 18:41:20,560 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 960 transitions. Word has length 405 [2021-02-21 18:41:20,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:41:20,560 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 960 transitions. [2021-02-21 18:41:20,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 18:41:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 960 transitions. [2021-02-21 18:41:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-02-21 18:41:20,565 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:41:20,565 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] [2021-02-21 18:41:20,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 18:41:20,565 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:41:20,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:41:20,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018237, now seen corresponding path program 2 times [2021-02-21 18:41:20,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:41:20,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630959455] [2021-02-21 18:41:20,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:41:20,571 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:41:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:20,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:20,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:20,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:20,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:41:20,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:20,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:41:20,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:20,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:20,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:20,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:41:20,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:20,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,507 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:41:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:41:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:41:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:41:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:41:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 18:41:22,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 18:41:22,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:41:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:41:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:41:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:41:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-02-21 18:41:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:41:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:41:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-02-21 18:41:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-21 18:41:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-02-21 18:41:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-02-21 18:41:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:41:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-21 18:41:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:22,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-02-21 18:41:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:22,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:22,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:41:23,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630959455] [2021-02-21 18:41:23,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:41:23,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-21 18:41:23,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030078062] [2021-02-21 18:41:23,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-21 18:41:23,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:41:23,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-21 18:41:23,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-02-21 18:41:23,083 INFO L87 Difference]: Start difference. First operand 827 states and 960 transitions. Second operand 13 states. [2021-02-21 18:41:26,017 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-21 18:41:27,891 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:41:29,672 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:41:31,397 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:41:33,108 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:41:36,301 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-21 18:41:44,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:41:44,961 INFO L93 Difference]: Finished difference Result 1733 states and 2101 transitions. [2021-02-21 18:41:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 18:41:44,962 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 407 [2021-02-21 18:41:44,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:41:44,971 INFO L225 Difference]: With dead ends: 1733 [2021-02-21 18:41:44,971 INFO L226 Difference]: Without dead ends: 1234 [2021-02-21 18:41:44,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2021-02-21 18:41:44,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2021-02-21 18:41:45,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 827. [2021-02-21 18:41:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-02-21 18:41:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2021-02-21 18:41:45,787 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 407 [2021-02-21 18:41:45,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:41:45,788 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2021-02-21 18:41:45,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-21 18:41:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2021-02-21 18:41:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-02-21 18:41:45,792 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:41:45,792 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] [2021-02-21 18:41:45,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 18:41:45,793 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:41:45,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:41:45,793 INFO L82 PathProgramCache]: Analyzing trace with hash -790316358, now seen corresponding path program 1 times [2021-02-21 18:41:45,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:41:45,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524532831] [2021-02-21 18:41:45,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:41:45,798 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:41:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:45,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:45,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:45,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:45,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:41:45,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:45,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,603 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:41:47,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:41:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:41:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:41:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:41:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:41:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:41:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:41:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:41:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:41:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-02-21 18:41:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:41:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:41:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-02-21 18:41:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-02-21 18:41:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-02-21 18:41:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-02-21 18:41:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:41:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-02-21 18:41:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-02-21 18:41:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:41:47,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:41:47,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:41:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:41:47,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524532831] [2021-02-21 18:41:47,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:41:47,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 18:41:47,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912392855] [2021-02-21 18:41:47,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 18:41:47,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:41:47,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 18:41:47,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-21 18:41:47,991 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand 9 states. [2021-02-21 18:41:51,689 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:42:00,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:42:00,223 INFO L93 Difference]: Finished difference Result 2261 states and 2803 transitions. [2021-02-21 18:42:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 18:42:00,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 409 [2021-02-21 18:42:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:42:00,238 INFO L225 Difference]: With dead ends: 2261 [2021-02-21 18:42:00,239 INFO L226 Difference]: Without dead ends: 1712 [2021-02-21 18:42:00,242 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 [2021-02-21 18:42:00,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-02-21 18:42:01,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1067. [2021-02-21 18:42:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2021-02-21 18:42:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1273 transitions. [2021-02-21 18:42:01,859 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1273 transitions. Word has length 409 [2021-02-21 18:42:01,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:42:01,860 INFO L480 AbstractCegarLoop]: Abstraction has 1067 states and 1273 transitions. [2021-02-21 18:42:01,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 18:42:01,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1273 transitions. [2021-02-21 18:42:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-02-21 18:42:01,866 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:42:01,866 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] [2021-02-21 18:42:01,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 18:42:01,867 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:42:01,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:42:01,868 INFO L82 PathProgramCache]: Analyzing trace with hash 532157824, now seen corresponding path program 1 times [2021-02-21 18:42:01,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:42:01,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454925596] [2021-02-21 18:42:01,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:42:01,873 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:42:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:02,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:02,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:02,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:02,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:02,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:02,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:03,965 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:42:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:42:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:42:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:42:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:42:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:42:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:04,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:42:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:42:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:42:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:42:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:42:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:42:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-21 18:42:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:04,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:42:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:04,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:04,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-02-21 18:42:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:42:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:42:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-02-21 18:42:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-02-21 18:42:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-02-21 18:42:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-21 18:42:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:42:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-21 18:42:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-02-21 18:42:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:04,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:04,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:42:04,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454925596] [2021-02-21 18:42:04,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:42:04,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-21 18:42:04,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48676713] [2021-02-21 18:42:04,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-21 18:42:04,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:42:04,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-21 18:42:04,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-02-21 18:42:04,503 INFO L87 Difference]: Start difference. First operand 1067 states and 1273 transitions. Second operand 14 states. [2021-02-21 18:42:06,880 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:42:09,407 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-21 18:42:12,494 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:42:14,416 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:42:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:42:22,371 INFO L93 Difference]: Finished difference Result 2452 states and 3054 transitions. [2021-02-21 18:42:22,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-21 18:42:22,372 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 418 [2021-02-21 18:42:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:42:22,380 INFO L225 Difference]: With dead ends: 2452 [2021-02-21 18:42:22,381 INFO L226 Difference]: Without dead ends: 1709 [2021-02-21 18:42:22,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2021-02-21 18:42:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-02-21 18:42:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1066. [2021-02-21 18:42:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2021-02-21 18:42:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1271 transitions. [2021-02-21 18:42:23,775 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1271 transitions. Word has length 418 [2021-02-21 18:42:23,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:42:23,776 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1271 transitions. [2021-02-21 18:42:23,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-21 18:42:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1271 transitions. [2021-02-21 18:42:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-02-21 18:42:23,782 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:42:23,782 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] [2021-02-21 18:42:23,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 18:42:23,782 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:42:23,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:42:23,783 INFO L82 PathProgramCache]: Analyzing trace with hash -734072453, now seen corresponding path program 1 times [2021-02-21 18:42:23,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:42:23,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964802615] [2021-02-21 18:42:23,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:42:23,788 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:42:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:23,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:23,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:42:23,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:23,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,748 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:42:25,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:42:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:42:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:42:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:42:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:42:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:25,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:42:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:42:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:42:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:42:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:42:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:25,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:42:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:25,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:25,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-21 18:42:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:42:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-21 18:42:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:42:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:42:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-21 18:42:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-21 18:42:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-21 18:42:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-21 18:42:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:42:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-21 18:42:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:42:26,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-02-21 18:42:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:42:26,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:42:26,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:42:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:42:26,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964802615] [2021-02-21 18:42:26,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:42:26,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-21 18:42:26,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809580887] [2021-02-21 18:42:26,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-21 18:42:26,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:42:26,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-21 18:42:26,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2021-02-21 18:42:26,535 INFO L87 Difference]: Start difference. First operand 1066 states and 1271 transitions. Second operand 26 states. [2021-02-21 18:42:28,931 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:42:31,976 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:42:37,602 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-21 18:42:39,526 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-21 18:42:41,631 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-21 18:42:44,841 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-21 18:42:49,146 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:42:51,138 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-21 18:42:53,206 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-21 18:42:55,260 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-21 18:42:57,223 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-21 18:42:59,211 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-21 18:43:01,162 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 528 [2021-02-21 18:43:03,502 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 525 [2021-02-21 18:43:05,407 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 526 [2021-02-21 18:43:09,787 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 519 [2021-02-21 18:43:13,155 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-21 18:43:14,972 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-21 18:43:17,177 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:43:19,080 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:43:21,892 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:43:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:43:25,657 INFO L93 Difference]: Finished difference Result 2195 states and 2672 transitions. [2021-02-21 18:43:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-02-21 18:43:25,657 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 419 [2021-02-21 18:43:25,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:43:25,669 INFO L225 Difference]: With dead ends: 2195 [2021-02-21 18:43:25,669 INFO L226 Difference]: Without dead ends: 1946 [2021-02-21 18:43:25,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 43.7s TimeCoverageRelationStatistics Valid=1347, Invalid=6135, Unknown=0, NotChecked=0, Total=7482 [2021-02-21 18:43:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2021-02-21 18:43:27,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1255. [2021-02-21 18:43:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-02-21 18:43:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2021-02-21 18:43:27,194 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 419 [2021-02-21 18:43:27,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:43:27,195 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2021-02-21 18:43:27,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-21 18:43:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2021-02-21 18:43:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-21 18:43:27,200 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:43:27,200 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] [2021-02-21 18:43:27,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 18:43:27,201 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:43:27,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:43:27,201 INFO L82 PathProgramCache]: Analyzing trace with hash 2016191617, now seen corresponding path program 1 times [2021-02-21 18:43:27,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:43:27,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767722541] [2021-02-21 18:43:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:43:27,206 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:43:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:27,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:27,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:27,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:27,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:27,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:27,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:27,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:27,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:27,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:27,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,144 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:43:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:43:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:43:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:43:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:43:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:43:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:43:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:43:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:43:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:43:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:43:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:43:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-21 18:43:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:43:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-21 18:43:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 18:43:29,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 18:43:29,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 18:43:29,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:43:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:43:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-21 18:43:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-21 18:43:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-21 18:43:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:43:29,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:43:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-02-21 18:43:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:43:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-02-21 18:43:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-21 18:43:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:43:29,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:43:29,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:43:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:43:29,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767722541] [2021-02-21 18:43:29,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:43:29,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-02-21 18:43:29,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787737809] [2021-02-21 18:43:29,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-21 18:43:29,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:43:29,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-21 18:43:29,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-02-21 18:43:29,835 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 21 states. [2021-02-21 18:43:37,343 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-21 18:43:41,086 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:43:43,359 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 527 [2021-02-21 18:43:45,553 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:43:47,613 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:43:49,535 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:43:51,517 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:43:53,229 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:43:55,035 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:43:57,541 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:43:59,316 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:44:01,226 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:44:03,063 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 523 [2021-02-21 18:44:08,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:44:08,748 INFO L93 Difference]: Finished difference Result 2356 states and 2843 transitions. [2021-02-21 18:44:08,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-21 18:44:08,751 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 420 [2021-02-21 18:44:08,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:44:08,763 INFO L225 Difference]: With dead ends: 2356 [2021-02-21 18:44:08,763 INFO L226 Difference]: Without dead ends: 1938 [2021-02-21 18:44:08,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=813, Invalid=4157, Unknown=0, NotChecked=0, Total=4970 [2021-02-21 18:44:08,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2021-02-21 18:44:10,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1271. [2021-02-21 18:44:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2021-02-21 18:44:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1492 transitions. [2021-02-21 18:44:10,374 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1492 transitions. Word has length 420 [2021-02-21 18:44:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:44:10,375 INFO L480 AbstractCegarLoop]: Abstraction has 1271 states and 1492 transitions. [2021-02-21 18:44:10,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-02-21 18:44:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1492 transitions. [2021-02-21 18:44:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-02-21 18:44:10,380 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 18:44:10,381 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] [2021-02-21 18:44:10,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 18:44:10,381 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 18:44:10,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 18:44:10,382 INFO L82 PathProgramCache]: Analyzing trace with hash -516557178, now seen corresponding path program 1 times [2021-02-21 18:44:10,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 18:44:10,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148896647] [2021-02-21 18:44:10,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 18:44:10,386 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 18:44:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:10,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:10,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:10,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:10,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:44:10,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:10,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:44:10,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:10,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:10,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:10,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:44:10,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:10,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 18:44:10,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:10,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,170 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-21 18:44:12,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:44:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 18:44:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-21 18:44:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 18:44:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 18:44:12,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 18:44:12,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-02-21 18:44:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 18:44:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:44:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 18:44:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:44:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 18:44:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 18:44:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-02-21 18:44:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 18:44:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-21 18:44:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 18:44:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 18:44:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-02-21 18:44:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-02-21 18:44:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-02-21 18:44:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-02-21 18:44:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 18:44:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-02-21 18:44:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-02-21 18:44:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 18:44:12,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 18:44:12,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:44:12,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 18:44:12,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 18:44:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-21 18:44:12,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148896647] [2021-02-21 18:44:12,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 18:44:12,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-21 18:44:12,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115523187] [2021-02-21 18:44:12,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-21 18:44:12,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 18:44:12,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-21 18:44:12,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-02-21 18:44:12,730 INFO L87 Difference]: Start difference. First operand 1271 states and 1492 transitions. Second operand 17 states. [2021-02-21 18:44:15,119 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-21 18:44:16,907 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:44:18,665 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:44:20,463 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:44:22,180 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:44:32,110 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 520 [2021-02-21 18:44:33,886 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:44:35,665 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-21 18:44:37,491 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 524 [2021-02-21 18:44:39,228 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 521 [2021-02-21 18:44:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 18:44:41,500 INFO L93 Difference]: Finished difference Result 1936 states and 2377 transitions. [2021-02-21 18:44:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-21 18:44:41,501 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 420 [2021-02-21 18:44:41,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 18:44:41,502 INFO L225 Difference]: With dead ends: 1936 [2021-02-21 18:44:41,502 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 18:44:41,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2021-02-21 18:44:41,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 18:44:41,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 18:44:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 18:44:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 18:44:41,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 420 [2021-02-21 18:44:41,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 18:44:41,510 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 18:44:41,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-21 18:44:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 18:44:41,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 18:44:41,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 18:44:41,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 18:44:41,650 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2021-02-21 18:44:41,757 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:44:41,923 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-21 18:44:42,792 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 51 [2021-02-21 18:44:42,901 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-21 18:44:43,010 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-02-21 18:44:44,248 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-21 18:44:44,623 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-21 18:44:44,881 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-21 18:44:45,130 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-21 18:44:45,870 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-02-21 18:44:46,420 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 524 [2021-02-21 18:44:47,198 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-02-21 18:44:48,890 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-21 18:44:49,287 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-21 18:44:49,736 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-21 18:44:49,921 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:44:50,083 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:44:50,241 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:44:50,467 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-21 18:44:50,575 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2021-02-21 18:44:52,020 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 541 [2021-02-21 18:44:58,942 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:00,945 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:02,952 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 522 [2021-02-21 18:45:05,706 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:06,243 WARN L202 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:07,384 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-21 18:45:07,621 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-21 18:45:08,284 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:45:08,531 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:45:08,778 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:45:08,972 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-21 18:45:09,227 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-21 18:45:09,480 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-21 18:45:09,724 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-21 18:45:09,971 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 80 [2021-02-21 18:45:10,217 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:45:10,461 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:45:10,651 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-21 18:45:11,878 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:45:12,476 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:45:12,681 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:45:12,877 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:45:15,105 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-21 18:45:15,272 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:45:15,654 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-21 18:45:15,810 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:45:16,056 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-21 18:45:17,787 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-21 18:45:19,279 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 641 DAG size of output: 73 [2021-02-21 18:45:20,516 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:45:21,662 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:45:22,083 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-21 18:45:22,451 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-21 18:45:22,814 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 42 [2021-02-21 18:45:22,972 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:45:23,135 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:45:23,293 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:45:23,524 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 38 [2021-02-21 18:45:24,150 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 48 [2021-02-21 18:45:24,532 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-21 18:45:25,038 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 548 [2021-02-21 18:45:26,051 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:45:26,962 WARN L202 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:45:27,866 WARN L202 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:45:28,318 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-21 18:45:28,783 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-21 18:45:29,298 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:45:29,578 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-21 18:45:30,109 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:45:30,762 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-21 18:45:31,311 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:45:31,821 WARN L202 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:45:31,976 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-21 18:45:32,128 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-21 18:45:32,485 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-21 18:45:33,357 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:45:34,228 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:45:34,677 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-21 18:45:34,904 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-21 18:45:35,299 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 46 [2021-02-21 18:45:35,886 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:36,376 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:36,925 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:37,476 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:38,038 WARN L202 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:38,582 WARN L202 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:45:40,600 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:42,647 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:44,611 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:46,600 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:48,682 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:50,667 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:52,707 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:54,799 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:45:57,558 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-21 18:46:00,115 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-21 18:46:02,180 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:04,172 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:06,168 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:08,197 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:10,179 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:12,260 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:14,325 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:16,406 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:16,986 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-21 18:46:17,167 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-21 18:46:18,842 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:46:20,040 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:46:20,227 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-21 18:46:20,416 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 31 [2021-02-21 18:46:21,063 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:46:21,557 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:46:21,896 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:46:22,079 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-21 18:46:22,333 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:46:22,582 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:46:23,025 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 524 [2021-02-21 18:46:23,159 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-21 18:46:23,291 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2021-02-21 18:46:24,965 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:46:26,173 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:46:28,187 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:30,202 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:32,249 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:34,262 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:36,274 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:38,290 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:40,281 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:42,322 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:44,350 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:46,392 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:48,396 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:50,435 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:52,446 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:54,442 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:56,457 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:58,475 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:46:58,827 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-21 18:46:59,178 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-21 18:46:59,418 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-21 18:47:01,182 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 44 [2021-02-21 18:47:01,528 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 41 [2021-02-21 18:47:01,762 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 34 [2021-02-21 18:47:03,320 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 406 [2021-02-21 18:47:04,502 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-21 18:47:06,888 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-21 18:47:07,249 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 41 [2021-02-21 18:47:10,605 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-21 18:47:13,163 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 714 DAG size of output: 67 [2021-02-21 18:47:14,306 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:47:15,307 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:47:16,517 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:47:17,724 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:47:17,943 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2021-02-21 18:47:18,213 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 37 [2021-02-21 18:47:19,090 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 510 [2021-02-21 18:47:20,599 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 544 [2021-02-21 18:47:22,442 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-21 18:47:22,686 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 37 [2021-02-21 18:47:22,941 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:47:24,934 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:26,939 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:28,960 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:30,969 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:33,082 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:47:34,293 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:47:36,414 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:38,432 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:40,534 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:42,536 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:43,834 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:47:45,007 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:47:46,988 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:48,968 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:51,134 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-21 18:47:53,421 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 688 DAG size of output: 60 [2021-02-21 18:47:55,463 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:57,446 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:47:59,463 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:01,479 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:02,479 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:48:03,492 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:48:05,652 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:07,620 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:09,610 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:11,593 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:12,625 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:48:13,503 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:48:14,417 WARN L202 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:48:14,871 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-21 18:48:15,325 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-21 18:48:15,859 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:48:16,138 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2021-02-21 18:48:16,678 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:48:17,321 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 21 [2021-02-21 18:48:17,856 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:48:18,386 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 317 [2021-02-21 18:48:18,546 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2021-02-21 18:48:18,702 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2021-02-21 18:48:19,071 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2021-02-21 18:48:19,948 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:48:20,825 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 21 [2021-02-21 18:48:21,277 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 21 [2021-02-21 18:48:21,490 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2021-02-21 18:48:22,686 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:48:23,895 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 628 DAG size of output: 55 [2021-02-21 18:48:25,853 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:27,842 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:29,837 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:31,824 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:33,875 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:35,893 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:37,911 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:39,945 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:41,966 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:43,989 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:45,946 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:47,959 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:49,976 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:51,995 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:53,995 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:56,020 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:48:58,024 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:00,017 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:01,997 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:04,010 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:06,001 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:07,956 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:09,929 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:11,903 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:13,896 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:15,881 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:17,865 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:19,854 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:21,867 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:23,848 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:25,042 WARN L202 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 501 [2021-02-21 18:49:27,733 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:29,676 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:31,914 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:32,400 WARN L202 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:32,914 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-21 18:49:34,365 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 358 [2021-02-21 18:49:34,527 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:49:34,926 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 514 [2021-02-21 18:49:35,086 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 37 [2021-02-21 18:49:35,329 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 305 [2021-02-21 18:49:35,952 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:36,433 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:36,633 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:49:36,835 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:49:37,031 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 48 [2021-02-21 18:49:37,602 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:38,089 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:38,787 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:39,311 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:40,829 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:41,066 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:41,297 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:41,528 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:41,759 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:41,990 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:42,226 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:42,467 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:42,709 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:43,325 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-21 18:49:43,492 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 30 [2021-02-21 18:49:44,021 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:44,544 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:49:45,314 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:45,553 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:45,801 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:46,043 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:46,274 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:46,516 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:46,755 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:47,003 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:47,234 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 39 [2021-02-21 18:49:49,503 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:51,478 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:53,973 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:55,992 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:49:58,039 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:00,138 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:02,280 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:04,415 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:06,533 WARN L202 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:08,596 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:10,762 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:12,747 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:14,713 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:16,769 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:18,836 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:20,849 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:23,416 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:25,382 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 684 DAG size of output: 67 [2021-02-21 18:50:26,600 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:50:27,656 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:50:28,825 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:50:30,035 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:50:31,508 WARN L202 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:50:32,487 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:50:33,722 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:50:34,890 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:50:36,038 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:50:37,059 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2021-02-21 18:50:37,302 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:50:37,486 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 39 [2021-02-21 18:50:37,729 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:50:37,975 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 45 [2021-02-21 18:50:39,123 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:50:40,262 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 616 DAG size of output: 57 [2021-02-21 18:50:41,230 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:41,703 WARN L202 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:42,194 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:42,679 WARN L202 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:43,394 WARN L202 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:43,898 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:44,224 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 523 [2021-02-21 18:50:44,864 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:45,384 WARN L202 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2021-02-21 18:50:46,848 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:50:48,249 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 363 DAG size of output: 26 [2021-02-21 18:50:49,696 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:50:53,860 WARN L202 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 369 DAG size of output: 30 [2021-02-21 18:50:55,436 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 381 DAG size of output: 28 [2021-02-21 18:51:00,542 WARN L202 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 365 DAG size of output: 20 [2021-02-21 18:51:04,899 WARN L202 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-21 18:51:06,387 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:08,886 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 369 DAG size of output: 20 [2021-02-21 18:51:13,202 WARN L202 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-21 18:51:14,747 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:16,268 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:19,255 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-21 18:51:20,789 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:22,173 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 18 [2021-02-21 18:51:26,437 WARN L202 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-21 18:51:29,351 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-21 18:51:32,119 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 359 DAG size of output: 9 [2021-02-21 18:51:33,498 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-21 18:51:34,841 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-21 18:51:36,206 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 360 DAG size of output: 29 [2021-02-21 18:51:39,052 WARN L202 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 362 DAG size of output: 13 [2021-02-21 18:51:40,492 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-21 18:51:41,904 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-21 18:51:44,648 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-21 18:51:46,102 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 375 DAG size of output: 22 [2021-02-21 18:51:47,539 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:48,956 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:50,414 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:51,850 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:51:53,208 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 358 DAG size of output: 21 [2021-02-21 18:51:57,368 WARN L202 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-21 18:52:01,573 WARN L202 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 370 DAG size of output: 36 [2021-02-21 18:52:05,798 WARN L202 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-21 18:52:08,732 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 357 DAG size of output: 12 [2021-02-21 18:52:10,153 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:52:11,490 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-21 18:52:15,570 WARN L202 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-21 18:52:17,123 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:52:20,032 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 359 DAG size of output: 11 [2021-02-21 18:52:22,721 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 358 DAG size of output: 8 [2021-02-21 18:52:24,183 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 357 DAG size of output: 13 [2021-02-21 18:52:25,536 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-21 18:52:26,898 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 367 DAG size of output: 55 [2021-02-21 18:52:29,652 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-21 18:52:32,381 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-21 18:52:35,230 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 361 DAG size of output: 21 [2021-02-21 18:52:36,697 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:52:39,459 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2021-02-21 18:52:40,872 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-21 18:52:42,238 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 363 DAG size of output: 38 [2021-02-21 18:52:43,667 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 370 DAG size of output: 45 [2021-02-21 18:52:45,257 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:52:46,742 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:52:48,298 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 366 DAG size of output: 34 [2021-02-21 18:52:51,041 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 358 DAG size of output: 12 [2021-02-21 18:52:55,105 WARN L202 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 368 DAG size of output: 30 [2021-02-21 18:52:56,706 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:52:58,150 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 355 DAG size of output: 1 [2021-02-21 18:53:02,110 WARN L202 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 372 DAG size of output: 34 [2021-02-21 18:53:05,872 WARN L202 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 372 DAG size of output: 34 [2021-02-21 18:53:08,556 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 358 DAG size of output: 12