/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:40:31,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:40:31,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:40:31,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:40:31,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:40:31,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:40:31,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:40:31,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:40:31,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:40:31,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:40:31,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:40:31,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:40:31,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:40:31,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:40:31,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:40:31,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:40:31,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:40:31,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:40:31,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:40:31,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:40:31,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:40:31,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:40:31,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:40:31,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:40:31,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:40:31,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:40:31,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:40:31,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:40:31,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:40:31,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:40:31,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:40:31,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:40:31,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:40:31,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:40:31,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:40:31,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:40:31,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:40:31,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:40:31,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:40:31,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:40:31,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:40:31,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:40:31,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:40:31,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:40:31,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:40:31,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:40:31,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:40:31,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:40:31,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:40:31,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:40:31,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:40:31,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:40:31,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:40:31,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:40:31,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:40:31,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:40:31,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:40:31,290 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:40:31,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:40:31,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:40:31,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:40:31,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:40:31,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:40:31,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:40:31,292 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:40:31,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:40:31,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:40:31,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:40:31,757 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:40:31,757 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:40:31,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-10-23 23:40:31,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b9fa52d/7212dd62810149fbb36fa7522bd8a66f/FLAGf539443be [2020-10-23 23:40:32,683 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:40:32,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-10-23 23:40:32,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b9fa52d/7212dd62810149fbb36fa7522bd8a66f/FLAGf539443be [2020-10-23 23:40:32,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b9fa52d/7212dd62810149fbb36fa7522bd8a66f [2020-10-23 23:40:32,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:40:32,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:40:32,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:40:32,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:40:32,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:40:32,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:40:32" (1/1) ... [2020-10-23 23:40:32,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b79d1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:32, skipping insertion in model container [2020-10-23 23:40:32,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:40:32" (1/1) ... [2020-10-23 23:40:32,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:40:32,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:40:33,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:40:33,699 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:40:33,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:40:33,955 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:40:33,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33 WrapperNode [2020-10-23 23:40:33,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:40:33,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:40:33,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:40:33,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:40:33,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (1/1) ... [2020-10-23 23:40:33,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (1/1) ... [2020-10-23 23:40:34,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (1/1) ... [2020-10-23 23:40:34,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (1/1) ... [2020-10-23 23:40:34,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (1/1) ... [2020-10-23 23:40:34,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (1/1) ... [2020-10-23 23:40:34,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (1/1) ... [2020-10-23 23:40:34,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:40:34,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:40:34,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:40:34,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:40:34,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (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 [2020-10-23 23:40:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:40:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:40:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:40:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:40:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-23 23:40:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-23 23:40:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-23 23:40:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-23 23:40:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-23 23:40:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:40:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:40:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-23 23:40:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:40:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:40:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:40:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:40:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:40:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-23 23:40:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-23 23:40:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-23 23:40:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-23 23:40:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-23 23:40:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-23 23:40:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-23 23:40:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-23 23:40:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-23 23:40:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-23 23:40:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-23 23:40:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-23 23:40:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-23 23:40:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-23 23:40:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-23 23:40:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-23 23:40:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-23 23:40:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-23 23:40:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-23 23:40:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-23 23:40:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-23 23:40:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-23 23:40:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-23 23:40:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-23 23:40:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-10-23 23:40:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-23 23:40:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-23 23:40:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-23 23:40:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-23 23:40:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-23 23:40:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-23 23:40:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-23 23:40:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-23 23:40:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-23 23:40:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:40:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-23 23:40:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:40:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:40:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:40:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:40:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:40:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:40:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-23 23:40:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-23 23:40:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-23 23:40:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-23 23:40:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-23 23:40:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-23 23:40:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-23 23:40:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-23 23:40:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-23 23:40:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-23 23:40:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-23 23:40:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-23 23:40:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-23 23:40:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-23 23:40:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-23 23:40:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-23 23:40:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-23 23:40:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-23 23:40:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-23 23:40:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-23 23:40:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-23 23:40:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-23 23:40:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-23 23:40:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-23 23:40:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-23 23:40:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-23 23:40:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-23 23:40:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-23 23:40:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-23 23:40:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-23 23:40:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-23 23:40:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-23 23:40:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-23 23:40:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:40:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:40:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:40:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:40:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:40:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:40:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-23 23:40:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-23 23:40:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-23 23:40:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:40:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:40:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:40:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-23 23:40:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-23 23:40:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-23 23:40:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-23 23:40:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-23 23:40:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-23 23:40:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-23 23:40:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-23 23:40:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-23 23:40:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-23 23:40:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:40:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:40:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:40:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-23 23:40:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:40:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-23 23:40:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-23 23:40:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-23 23:40:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-23 23:40:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-23 23:40:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-23 23:40:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-23 23:40:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-23 23:40:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-23 23:40:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-23 23:40:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-23 23:40:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-23 23:40:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-23 23:40:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-23 23:40:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-23 23:40:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-23 23:40:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-23 23:40:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-23 23:40:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-23 23:40:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-23 23:40:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-23 23:40:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-23 23:40:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-23 23:40:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-23 23:40:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-23 23:40:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-23 23:40:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-23 23:40:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-23 23:40:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-23 23:40:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-23 23:40:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-23 23:40:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-10-23 23:40:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-23 23:40:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:40:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-23 23:40:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-23 23:40:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:40:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:40:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:40:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:40:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:40:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:40:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:40:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:40:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:40:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:40:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:40:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:40:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:40:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:40:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:40:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-23 23:40:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-23 23:40:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-23 23:40:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-23 23:40:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-23 23:40:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-23 23:40:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-23 23:40:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-23 23:40:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-23 23:40:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-23 23:40:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-23 23:40:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-23 23:40:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-23 23:40:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-23 23:40:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-23 23:40:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-23 23:40:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-23 23:40:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-23 23:40:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-23 23:40:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-23 23:40:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-23 23:40:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-23 23:40:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-23 23:40:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-23 23:40:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-23 23:40:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-23 23:40:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:40:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:40:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:40:37,025 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:40:37,026 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-23 23:40:37,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:40:37 BoogieIcfgContainer [2020-10-23 23:40:37,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:40:37,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:40:37,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:40:37,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:40:37,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:40:32" (1/3) ... [2020-10-23 23:40:37,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af736f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:40:37, skipping insertion in model container [2020-10-23 23:40:37,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:40:33" (2/3) ... [2020-10-23 23:40:37,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af736f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:40:37, skipping insertion in model container [2020-10-23 23:40:37,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:40:37" (3/3) ... [2020-10-23 23:40:37,047 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-10-23 23:40:37,064 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:40:37,072 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:40:37,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:40:37,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:40:37,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:40:37,114 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:40:37,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:40:37,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:40:37,114 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:40:37,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:40:37,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:40:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states. [2020-10-23 23:40:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-10-23 23:40:37,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:40:37,185 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, 1] [2020-10-23 23:40:37,185 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:40:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:40:37,193 INFO L82 PathProgramCache]: Analyzing trace with hash -879217357, now seen corresponding path program 1 times [2020-10-23 23:40:37,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:40:37,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676343487] [2020-10-23 23:40:37,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:40:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,056 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:40:40,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:40:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:40:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:40:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:40:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:40:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:40:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:40:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:40:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:40:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 23:40:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:40:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-23 23:40:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:40:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:40:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-23 23:40:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-10-23 23:40:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-23 23:40:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-23 23:40:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:40:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-10-23 23:40:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:40,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2020-10-23 23:40:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:40:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-23 23:40:41,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676343487] [2020-10-23 23:40:41,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:40:41,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-23 23:40:41,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897400633] [2020-10-23 23:40:41,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 23:40:41,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:40:41,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 23:40:41,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-23 23:40:41,200 INFO L87 Difference]: Start difference. First operand 587 states. Second operand 13 states. [2020-10-23 23:40:44,116 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:40:45,919 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:40:48,255 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-23 23:40:50,082 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:40:51,856 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:40:53,689 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:41:03,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:41:03,405 INFO L93 Difference]: Finished difference Result 1217 states and 1449 transitions. [2020-10-23 23:41:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-23 23:41:03,409 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 388 [2020-10-23 23:41:03,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:41:03,441 INFO L225 Difference]: With dead ends: 1217 [2020-10-23 23:41:03,442 INFO L226 Difference]: Without dead ends: 780 [2020-10-23 23:41:03,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2020-10-23 23:41:03,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-10-23 23:41:04,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 564. [2020-10-23 23:41:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-10-23 23:41:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 614 transitions. [2020-10-23 23:41:04,034 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 614 transitions. Word has length 388 [2020-10-23 23:41:04,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:41:04,036 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 614 transitions. [2020-10-23 23:41:04,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 23:41:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 614 transitions. [2020-10-23 23:41:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-10-23 23:41:04,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:41:04,052 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] [2020-10-23 23:41:04,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:41:04,052 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:41:04,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:41:04,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1756575908, now seen corresponding path program 1 times [2020-10-23 23:41:04,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:41:04,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953736865] [2020-10-23 23:41:04,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:41:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:05,972 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:41:05,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:41:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:41:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:41:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:41:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:41:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:41:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:41:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:41:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-23 23:41:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:41:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:41:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-10-23 23:41:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-10-23 23:41:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-23 23:41:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-10-23 23:41:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:41:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-10-23 23:41:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-10-23 23:41:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 23:41:06,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953736865] [2020-10-23 23:41:06,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:41:06,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:41:06,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264822777] [2020-10-23 23:41:06,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:41:06,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:41:06,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:41:06,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:41:06,501 INFO L87 Difference]: Start difference. First operand 564 states and 614 transitions. Second operand 9 states. [2020-10-23 23:41:10,270 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:41:16,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:41:16,080 INFO L93 Difference]: Finished difference Result 1010 states and 1143 transitions. [2020-10-23 23:41:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 23:41:16,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 390 [2020-10-23 23:41:16,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:41:16,090 INFO L225 Difference]: With dead ends: 1010 [2020-10-23 23:41:16,090 INFO L226 Difference]: Without dead ends: 781 [2020-10-23 23:41:16,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-10-23 23:41:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-23 23:41:16,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 566. [2020-10-23 23:41:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-10-23 23:41:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 616 transitions. [2020-10-23 23:41:16,583 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 616 transitions. Word has length 390 [2020-10-23 23:41:16,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:41:16,584 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 616 transitions. [2020-10-23 23:41:16,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:41:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 616 transitions. [2020-10-23 23:41:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-10-23 23:41:16,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:41:16,594 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, 1] [2020-10-23 23:41:16,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:41:16,595 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:41:16,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:41:16,596 INFO L82 PathProgramCache]: Analyzing trace with hash -99277617, now seen corresponding path program 1 times [2020-10-23 23:41:16,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:41:16,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124194222] [2020-10-23 23:41:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:41:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,474 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:41:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:41:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:41:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:41:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:41:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:41:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:41:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:41:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:41:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-23 23:41:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:41:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:41:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-10-23 23:41:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-10-23 23:41:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-23 23:41:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-23 23:41:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:41:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-23 23:41:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2020-10-23 23:41:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 23:41:18,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124194222] [2020-10-23 23:41:18,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:41:18,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-23 23:41:18,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546698543] [2020-10-23 23:41:18,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:41:18,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:41:18,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:41:18,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:41:18,918 INFO L87 Difference]: Start difference. First operand 566 states and 616 transitions. Second operand 10 states. [2020-10-23 23:41:22,798 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:41:24,490 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:41:31,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:41:31,854 INFO L93 Difference]: Finished difference Result 1085 states and 1243 transitions. [2020-10-23 23:41:31,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 23:41:31,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 399 [2020-10-23 23:41:31,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:41:31,866 INFO L225 Difference]: With dead ends: 1085 [2020-10-23 23:41:31,866 INFO L226 Difference]: Without dead ends: 856 [2020-10-23 23:41:31,868 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 [2020-10-23 23:41:31,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-10-23 23:41:32,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 636. [2020-10-23 23:41:32,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-10-23 23:41:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 709 transitions. [2020-10-23 23:41:32,332 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 709 transitions. Word has length 399 [2020-10-23 23:41:32,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:41:32,332 INFO L481 AbstractCegarLoop]: Abstraction has 636 states and 709 transitions. [2020-10-23 23:41:32,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:41:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 709 transitions. [2020-10-23 23:41:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-10-23 23:41:32,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:41:32,337 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] [2020-10-23 23:41:32,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:41:32,338 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:41:32,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:41:32,338 INFO L82 PathProgramCache]: Analyzing trace with hash -828309217, now seen corresponding path program 1 times [2020-10-23 23:41:32,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:41:32,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139606587] [2020-10-23 23:41:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:41:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,147 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:41:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:41:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:41:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:41:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:41:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:41:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:41:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:41:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:41:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-23 23:41:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:41:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:41:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-10-23 23:41:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-23 23:41:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-23 23:41:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2020-10-23 23:41:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:41:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-10-23 23:41:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-10-23 23:41:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 23:41:34,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139606587] [2020-10-23 23:41:34,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:41:34,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:41:34,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545100015] [2020-10-23 23:41:34,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:41:34,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:41:34,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:41:34,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:41:34,531 INFO L87 Difference]: Start difference. First operand 636 states and 709 transitions. Second operand 9 states. [2020-10-23 23:41:38,708 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:41:46,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:41:46,502 INFO L93 Difference]: Finished difference Result 1362 states and 1613 transitions. [2020-10-23 23:41:46,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 23:41:46,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 402 [2020-10-23 23:41:46,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:41:46,509 INFO L225 Difference]: With dead ends: 1362 [2020-10-23 23:41:46,509 INFO L226 Difference]: Without dead ends: 987 [2020-10-23 23:41:46,511 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 [2020-10-23 23:41:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2020-10-23 23:41:47,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 703. [2020-10-23 23:41:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2020-10-23 23:41:47,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 797 transitions. [2020-10-23 23:41:47,045 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 797 transitions. Word has length 402 [2020-10-23 23:41:47,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:41:47,046 INFO L481 AbstractCegarLoop]: Abstraction has 703 states and 797 transitions. [2020-10-23 23:41:47,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:41:47,046 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 797 transitions. [2020-10-23 23:41:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-23 23:41:47,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:41:47,050 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] [2020-10-23 23:41:47,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:41:47,051 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:41:47,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:41:47,052 INFO L82 PathProgramCache]: Analyzing trace with hash 17997572, now seen corresponding path program 1 times [2020-10-23 23:41:47,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:41:47,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108819107] [2020-10-23 23:41:47,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:41:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:48,903 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:41:48,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:41:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:48,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:41:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:48,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:41:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:48,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:41:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:48,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:41:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:41:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:41:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:41:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:41:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-10-23 23:41:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:41:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:41:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-23 23:41:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-23 23:41:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-23 23:41:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-10-23 23:41:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:41:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-10-23 23:41:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-10-23 23:41:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:41:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 23:41:49,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108819107] [2020-10-23 23:41:49,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:41:49,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:41:49,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261475529] [2020-10-23 23:41:49,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:41:49,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:41:49,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:41:49,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:41:49,302 INFO L87 Difference]: Start difference. First operand 703 states and 797 transitions. Second operand 9 states. [2020-10-23 23:41:53,231 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:42:00,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:42:00,725 INFO L93 Difference]: Finished difference Result 1668 states and 2019 transitions. [2020-10-23 23:42:00,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 23:42:00,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 406 [2020-10-23 23:42:00,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:42:00,738 INFO L225 Difference]: With dead ends: 1668 [2020-10-23 23:42:00,738 INFO L226 Difference]: Without dead ends: 1235 [2020-10-23 23:42:00,740 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 [2020-10-23 23:42:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2020-10-23 23:42:01,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 828. [2020-10-23 23:42:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-23 23:42:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 961 transitions. [2020-10-23 23:42:01,500 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 961 transitions. Word has length 406 [2020-10-23 23:42:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:42:01,501 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 961 transitions. [2020-10-23 23:42:01,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:42:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 961 transitions. [2020-10-23 23:42:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-10-23 23:42:01,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:42:01,506 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, 1] [2020-10-23 23:42:01,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:42:01,506 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:42:01,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:42:01,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1553778500, now seen corresponding path program 2 times [2020-10-23 23:42:01,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:42:01,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143363428] [2020-10-23 23:42:01,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:42:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,349 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:42:03,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:42:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:42:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:42:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:42:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:42:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:42:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:42:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:42:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-10-23 23:42:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:42:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:42:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-10-23 23:42:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-10-23 23:42:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-10-23 23:42:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-10-23 23:42:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:42:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-10-23 23:42:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2020-10-23 23:42:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 23:42:03,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143363428] [2020-10-23 23:42:03,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:42:03,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-23 23:42:03,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088255479] [2020-10-23 23:42:03,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 23:42:03,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:42:03,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 23:42:03,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-23 23:42:03,892 INFO L87 Difference]: Start difference. First operand 828 states and 961 transitions. Second operand 13 states. [2020-10-23 23:42:06,476 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-23 23:42:08,345 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:42:10,193 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:42:11,962 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:42:13,664 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:42:16,873 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-23 23:42:24,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:42:24,984 INFO L93 Difference]: Finished difference Result 1735 states and 2103 transitions. [2020-10-23 23:42:24,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 23:42:24,985 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 408 [2020-10-23 23:42:24,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:42:24,993 INFO L225 Difference]: With dead ends: 1735 [2020-10-23 23:42:24,993 INFO L226 Difference]: Without dead ends: 1235 [2020-10-23 23:42:24,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2020-10-23 23:42:24,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2020-10-23 23:42:25,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 828. [2020-10-23 23:42:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-23 23:42:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 959 transitions. [2020-10-23 23:42:25,788 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 959 transitions. Word has length 408 [2020-10-23 23:42:25,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:42:25,788 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 959 transitions. [2020-10-23 23:42:25,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 23:42:25,789 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 959 transitions. [2020-10-23 23:42:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-10-23 23:42:25,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:42:25,793 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, 1] [2020-10-23 23:42:25,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 23:42:25,793 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:42:25,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:42:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1792831873, now seen corresponding path program 1 times [2020-10-23 23:42:25,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:42:25,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466008579] [2020-10-23 23:42:25,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:42:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,587 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:42:27,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:42:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:42:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:42:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:42:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:42:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:42:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:42:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:42:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-10-23 23:42:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:42:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:42:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-10-23 23:42:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-10-23 23:42:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-10-23 23:42:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-23 23:42:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:42:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2020-10-23 23:42:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2020-10-23 23:42:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:27,997 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 23:42:27,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466008579] [2020-10-23 23:42:27,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:42:27,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:42:27,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787552398] [2020-10-23 23:42:27,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:42:27,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:42:28,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:42:28,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:42:28,000 INFO L87 Difference]: Start difference. First operand 828 states and 959 transitions. Second operand 9 states. [2020-10-23 23:42:31,066 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:42:38,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:42:38,224 INFO L93 Difference]: Finished difference Result 2263 states and 2805 transitions. [2020-10-23 23:42:38,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 23:42:38,232 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 410 [2020-10-23 23:42:38,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:42:38,242 INFO L225 Difference]: With dead ends: 2263 [2020-10-23 23:42:38,242 INFO L226 Difference]: Without dead ends: 1713 [2020-10-23 23:42:38,245 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 [2020-10-23 23:42:38,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2020-10-23 23:42:39,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1068. [2020-10-23 23:42:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2020-10-23 23:42:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1274 transitions. [2020-10-23 23:42:39,465 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1274 transitions. Word has length 410 [2020-10-23 23:42:39,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:42:39,466 INFO L481 AbstractCegarLoop]: Abstraction has 1068 states and 1274 transitions. [2020-10-23 23:42:39,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:42:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1274 transitions. [2020-10-23 23:42:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-10-23 23:42:39,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:42:39,472 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] [2020-10-23 23:42:39,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 23:42:39,472 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:42:39,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:42:39,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1202192214, now seen corresponding path program 1 times [2020-10-23 23:42:39,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:42:39,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591835646] [2020-10-23 23:42:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:42:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,366 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:42:41,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:42:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:42:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:42:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:42:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:42:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:42:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:42:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:42:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:42:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-23 23:42:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:42:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-10-23 23:42:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:42:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:42:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-10-23 23:42:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-10-23 23:42:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-10-23 23:42:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-10-23 23:42:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:42:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-10-23 23:42:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:41,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-10-23 23:42:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:42:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-23 23:42:42,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591835646] [2020-10-23 23:42:42,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:42:42,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 23:42:42,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097699282] [2020-10-23 23:42:42,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 23:42:42,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:42:42,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 23:42:42,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-23 23:42:42,056 INFO L87 Difference]: Start difference. First operand 1068 states and 1274 transitions. Second operand 14 states. [2020-10-23 23:42:44,695 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:42:47,428 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-23 23:42:50,566 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:42:52,434 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:43:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:43:00,514 INFO L93 Difference]: Finished difference Result 2454 states and 3056 transitions. [2020-10-23 23:43:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 23:43:00,514 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 419 [2020-10-23 23:43:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:43:00,525 INFO L225 Difference]: With dead ends: 2454 [2020-10-23 23:43:00,525 INFO L226 Difference]: Without dead ends: 1710 [2020-10-23 23:43:00,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2020-10-23 23:43:00,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-10-23 23:43:01,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1067. [2020-10-23 23:43:01,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-10-23 23:43:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1272 transitions. [2020-10-23 23:43:01,761 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1272 transitions. Word has length 419 [2020-10-23 23:43:01,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:43:01,762 INFO L481 AbstractCegarLoop]: Abstraction has 1067 states and 1272 transitions. [2020-10-23 23:43:01,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 23:43:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1272 transitions. [2020-10-23 23:43:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-23 23:43:01,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:01,767 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] [2020-10-23 23:43:01,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 23:43:01,768 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:01,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:01,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1053093699, now seen corresponding path program 1 times [2020-10-23 23:43:01,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:01,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460199727] [2020-10-23 23:43:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,580 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:43:03,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:43:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:43:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:43:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:43:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:43:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:43:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:43:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:43:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:43:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:43:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-23 23:43:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-23 23:43:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:43:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:43:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-10-23 23:43:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-23 23:43:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-23 23:43:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-10-23 23:43:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:43:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-10-23 23:43:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:03,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-23 23:43:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-23 23:43:04,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460199727] [2020-10-23 23:43:04,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:43:04,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-23 23:43:04,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692201107] [2020-10-23 23:43:04,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 23:43:04,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:43:04,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 23:43:04,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-23 23:43:04,060 INFO L87 Difference]: Start difference. First operand 1067 states and 1272 transitions. Second operand 13 states. [2020-10-23 23:43:06,376 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:43:08,867 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-23 23:43:11,848 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:43:13,707 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:43:21,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:43:21,248 INFO L93 Difference]: Finished difference Result 2207 states and 2721 transitions. [2020-10-23 23:43:21,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 23:43:21,249 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 420 [2020-10-23 23:43:21,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:43:21,257 INFO L225 Difference]: With dead ends: 2207 [2020-10-23 23:43:21,257 INFO L226 Difference]: Without dead ends: 1461 [2020-10-23 23:43:21,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=257, Invalid=799, Unknown=0, NotChecked=0, Total=1056 [2020-10-23 23:43:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2020-10-23 23:43:22,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1065. [2020-10-23 23:43:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-10-23 23:43:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1268 transitions. [2020-10-23 23:43:22,540 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1268 transitions. Word has length 420 [2020-10-23 23:43:22,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:43:22,541 INFO L481 AbstractCegarLoop]: Abstraction has 1065 states and 1268 transitions. [2020-10-23 23:43:22,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 23:43:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1268 transitions. [2020-10-23 23:43:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-23 23:43:22,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:43:22,546 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] [2020-10-23 23:43:22,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 23:43:22,546 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:43:22,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:43:22,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1979470306, now seen corresponding path program 1 times [2020-10-23 23:43:22,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:43:22,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505245623] [2020-10-23 23:43:22,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:43:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,437 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:43:24,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:43:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:43:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:43:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:43:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:43:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:43:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:43:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:43:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:43:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:43:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-23 23:43:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:43:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-23 23:43:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:43:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:43:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-10-23 23:43:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-23 23:43:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-23 23:43:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-10-23 23:43:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:43:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-10-23 23:43:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:25,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-23 23:43:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:43:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-23 23:43:25,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505245623] [2020-10-23 23:43:25,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:43:25,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-23 23:43:25,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171410136] [2020-10-23 23:43:25,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-23 23:43:25,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:43:25,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-23 23:43:25,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2020-10-23 23:43:25,240 INFO L87 Difference]: Start difference. First operand 1065 states and 1268 transitions. Second operand 26 states. [2020-10-23 23:43:27,754 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:43:30,706 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:43:36,357 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-23 23:43:38,386 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-23 23:43:40,596 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-23 23:43:43,726 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-23 23:43:48,166 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:43:50,084 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-23 23:43:52,089 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-23 23:43:54,120 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-23 23:43:55,922 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-23 23:43:57,773 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-23 23:43:59,653 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-23 23:44:01,901 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-23 23:44:03,760 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-23 23:44:08,285 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-23 23:44:11,620 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-23 23:44:13,403 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-23 23:44:15,596 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:44:17,407 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:44:20,264 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:44:24,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:44:24,160 INFO L93 Difference]: Finished difference Result 1949 states and 2338 transitions. [2020-10-23 23:44:24,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-10-23 23:44:24,164 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 420 [2020-10-23 23:44:24,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:44:24,175 INFO L225 Difference]: With dead ends: 1949 [2020-10-23 23:44:24,175 INFO L226 Difference]: Without dead ends: 1699 [2020-10-23 23:44:24,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 43.3s TimeCoverageRelationStatistics Valid=1347, Invalid=6135, Unknown=0, NotChecked=0, Total=7482 [2020-10-23 23:44:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-10-23 23:44:25,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1254. [2020-10-23 23:44:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2020-10-23 23:44:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1473 transitions. [2020-10-23 23:44:25,797 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1473 transitions. Word has length 420 [2020-10-23 23:44:25,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:44:25,798 INFO L481 AbstractCegarLoop]: Abstraction has 1254 states and 1473 transitions. [2020-10-23 23:44:25,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-23 23:44:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1473 transitions. [2020-10-23 23:44:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2020-10-23 23:44:25,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:44:25,804 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, 1] [2020-10-23 23:44:25,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-23 23:44:25,804 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:44:25,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:44:25,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1628932404, now seen corresponding path program 1 times [2020-10-23 23:44:25,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:44:25,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577626311] [2020-10-23 23:44:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:44:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,710 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:44:27,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:44:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:44:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:44:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:44:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:44:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:44:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:44:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:44:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:44:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:44:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:44:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-23 23:44:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:44:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:27,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-23 23:44:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:44:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:44:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-10-23 23:44:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-23 23:44:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-23 23:44:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-10-23 23:44:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:44:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-10-23 23:44:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2020-10-23 23:44:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:44:28,364 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-23 23:44:28,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577626311] [2020-10-23 23:44:28,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:44:28,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-23 23:44:28,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29440858] [2020-10-23 23:44:28,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-23 23:44:28,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:44:28,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-23 23:44:28,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2020-10-23 23:44:28,366 INFO L87 Difference]: Start difference. First operand 1254 states and 1473 transitions. Second operand 21 states. [2020-10-23 23:44:35,409 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-23 23:44:38,727 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:44:40,851 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-23 23:44:43,065 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:44:45,178 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:44:47,258 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:44:49,317 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:44:51,253 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:44:53,114 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:44:55,707 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:44:57,544 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:44:59,359 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:45:01,242 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-23 23:45:07,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:45:07,151 INFO L93 Difference]: Finished difference Result 2109 states and 2508 transitions. [2020-10-23 23:45:07,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-23 23:45:07,152 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 421 [2020-10-23 23:45:07,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:45:07,161 INFO L225 Difference]: With dead ends: 2109 [2020-10-23 23:45:07,161 INFO L226 Difference]: Without dead ends: 1690 [2020-10-23 23:45:07,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 27.6s TimeCoverageRelationStatistics Valid=813, Invalid=4157, Unknown=0, NotChecked=0, Total=4970 [2020-10-23 23:45:07,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-23 23:45:08,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1270. [2020-10-23 23:45:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2020-10-23 23:45:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1489 transitions. [2020-10-23 23:45:08,557 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1489 transitions. Word has length 421 [2020-10-23 23:45:08,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:45:08,558 INFO L481 AbstractCegarLoop]: Abstraction has 1270 states and 1489 transitions. [2020-10-23 23:45:08,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-23 23:45:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1489 transitions. [2020-10-23 23:45:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2020-10-23 23:45:08,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:45:08,563 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, 1] [2020-10-23 23:45:08,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-23 23:45:08,563 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:45:08,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:45:08,564 INFO L82 PathProgramCache]: Analyzing trace with hash -674833963, now seen corresponding path program 1 times [2020-10-23 23:45:08,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:45:08,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995703752] [2020-10-23 23:45:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:45:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,483 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-23 23:45:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:45:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:45:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:45:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:45:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-23 23:45:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:45:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 23:45:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:45:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 23:45:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:45:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-23 23:45:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:45:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-10-23 23:45:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 23:45:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:45:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-10-23 23:45:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-23 23:45:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-23 23:45:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-10-23 23:45:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:45:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-10-23 23:45:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2020-10-23 23:45:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:45:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-23 23:45:10,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995703752] [2020-10-23 23:45:10,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:45:10,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-23 23:45:10,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293394502] [2020-10-23 23:45:10,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-23 23:45:10,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:45:10,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-23 23:45:10,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-10-23 23:45:10,971 INFO L87 Difference]: Start difference. First operand 1270 states and 1489 transitions. Second operand 17 states. [2020-10-23 23:45:13,513 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-23 23:45:15,314 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:45:17,176 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:45:18,926 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:45:20,631 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:45:30,600 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-23 23:45:32,371 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-23 23:45:34,259 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-23 23:45:36,066 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-23 23:45:37,808 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-23 23:45:40,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:45:40,170 INFO L93 Difference]: Finished difference Result 1688 states and 2041 transitions. [2020-10-23 23:45:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-23 23:45:40,170 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 421 [2020-10-23 23:45:40,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:45:40,172 INFO L225 Difference]: With dead ends: 1688 [2020-10-23 23:45:40,172 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 23:45:40,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2020-10-23 23:45:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 23:45:40,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 23:45:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 23:45:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 23:45:40,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 421 [2020-10-23 23:45:40,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:45:40,180 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 23:45:40,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-23 23:45:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 23:45:40,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 23:45:40,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-23 23:45:40,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 23:45:40,324 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2020-10-23 23:45:40,536 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2020-10-23 23:45:40,641 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2020-10-23 23:45:41,533 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 52 [2020-10-23 23:45:41,653 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2020-10-23 23:45:41,836 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2020-10-23 23:45:41,948 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2020-10-23 23:45:43,193 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 597 DAG size of output: 550 [2020-10-23 23:45:43,426 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-10-23 23:45:43,657 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-10-23 23:45:44,111 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 525 [2020-10-23 23:45:46,446 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2020-10-23 23:45:47,983 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-10-23 23:45:48,326 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-10-23 23:45:49,072 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-10-23 23:45:49,323 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:45:49,566 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:45:49,940 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-10-23 23:45:50,171 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:45:51,792 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 543 [2020-10-23 23:45:58,269 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:45:59,805 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:46:04,493 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:05,108 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:06,285 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-10-23 23:46:06,546 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-10-23 23:46:07,288 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:46:07,582 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:46:07,880 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-10-23 23:46:08,179 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:46:08,466 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:46:08,767 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:46:09,060 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-10-23 23:46:09,353 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-10-23 23:46:09,652 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-10-23 23:46:09,960 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-10-23 23:46:10,267 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-10-23 23:46:11,486 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 50 [2020-10-23 23:46:11,602 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 41 [2020-10-23 23:46:12,256 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-10-23 23:46:12,509 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-10-23 23:46:12,756 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-10-23 23:46:12,891 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 42 [2020-10-23 23:46:15,012 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 81 [2020-10-23 23:46:15,232 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:46:15,663 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 534 [2020-10-23 23:46:16,122 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 537 [2020-10-23 23:46:16,347 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:46:17,216 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 56 [2020-10-23 23:46:17,901 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 56 [2020-10-23 23:46:19,348 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:46:20,682 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:46:21,345 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-10-23 23:46:21,700 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-10-23 23:46:22,150 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-10-23 23:46:22,390 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:46:22,617 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:46:22,968 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-10-23 23:46:23,196 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:46:23,893 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 466 [2020-10-23 23:46:24,231 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 47 [2020-10-23 23:46:24,811 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 550 [2020-10-23 23:46:25,332 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2020-10-23 23:46:26,388 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:46:27,465 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:46:28,288 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-10-23 23:46:28,442 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2020-10-23 23:46:28,876 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2020-10-23 23:46:29,033 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2020-10-23 23:46:29,983 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-10-23 23:46:30,335 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2020-10-23 23:46:31,380 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:46:31,999 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 21 [2020-10-23 23:46:33,030 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:46:33,883 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 21 [2020-10-23 23:46:34,938 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:46:35,756 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-10-23 23:46:36,413 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:46:37,057 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:46:37,713 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:46:38,366 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:46:38,697 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 47 [2020-10-23 23:46:39,475 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:40,150 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:40,820 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:41,492 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:42,195 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:42,863 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:46:44,500 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:46:46,161 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:46:47,687 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:46:49,194 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:46:50,813 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:46:52,408 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:46:53,972 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:46:55,524 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:46:57,451 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 692 DAG size of output: 48 [2020-10-23 23:46:59,178 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 692 DAG size of output: 48 [2020-10-23 23:47:00,685 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:02,185 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:03,781 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:47:05,382 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:47:06,971 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:47:08,555 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:47:10,041 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:11,549 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:12,179 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-10-23 23:47:12,387 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-10-23 23:47:13,736 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:47:14,604 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:47:14,812 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-10-23 23:47:15,020 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-10-23 23:47:15,814 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:47:16,432 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:47:16,827 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:47:17,114 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:47:17,406 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-10-23 23:47:17,698 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:47:18,089 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-10-23 23:47:18,221 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-10-23 23:47:18,423 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 525 [2020-10-23 23:47:19,796 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:47:20,692 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:47:22,181 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:23,721 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:25,290 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:26,852 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:28,409 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:29,977 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:31,568 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:33,143 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:34,812 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:47:36,467 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:47:37,969 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:39,499 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:41,054 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:42,566 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:44,067 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:45,606 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:47:45,904 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 40 [2020-10-23 23:47:46,325 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 45 [2020-10-23 23:47:46,757 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 43 [2020-10-23 23:47:48,477 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 40 [2020-10-23 23:47:48,908 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 45 [2020-10-23 23:47:49,356 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 43 [2020-10-23 23:47:50,954 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 48 [2020-10-23 23:47:52,206 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 45 [2020-10-23 23:47:54,715 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 43 [2020-10-23 23:47:55,118 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 43 [2020-10-23 23:47:57,900 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 692 DAG size of output: 59 [2020-10-23 23:47:59,750 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 692 DAG size of output: 59 [2020-10-23 23:48:00,695 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:48:01,502 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:48:02,899 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:48:04,240 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:48:04,469 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-10-23 23:48:04,601 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 39 [2020-10-23 23:48:04,730 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 39 [2020-10-23 23:48:04,983 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 46 [2020-10-23 23:48:05,931 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 542 [2020-10-23 23:48:07,439 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 547 [2020-10-23 23:48:09,128 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-10-23 23:48:09,382 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-10-23 23:48:09,565 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 50 [2020-10-23 23:48:09,670 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 41 [2020-10-23 23:48:11,165 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:12,656 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:14,176 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:15,664 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:17,433 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:48:18,290 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:48:19,983 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:21,571 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:23,288 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:24,893 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:25,876 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:48:26,735 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:48:28,235 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:29,793 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:31,964 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 673 DAG size of output: 425 [2020-10-23 23:48:34,140 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 673 DAG size of output: 425 [2020-10-23 23:48:35,848 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:37,506 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:39,054 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:40,602 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:41,428 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:48:42,275 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:48:43,873 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:45,515 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:48:47,103 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:48,654 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:48:49,133 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2020-10-23 23:48:50,173 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:48:51,184 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:48:51,995 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-10-23 23:48:52,147 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2020-10-23 23:48:52,427 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2020-10-23 23:48:52,581 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2020-10-23 23:48:53,510 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-10-23 23:48:53,715 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2020-10-23 23:48:54,733 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:48:55,194 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 21 [2020-10-23 23:48:56,228 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:48:57,059 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 21 [2020-10-23 23:48:58,065 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-10-23 23:48:58,875 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-10-23 23:48:59,494 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:49:00,128 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:49:00,750 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:49:01,381 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-10-23 23:49:02,278 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:49:03,188 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-10-23 23:49:04,846 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:06,477 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:08,000 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:09,487 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:11,110 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:12,687 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:14,207 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:15,735 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:17,333 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:18,941 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:20,651 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:22,254 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:23,780 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:25,297 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:26,897 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:28,494 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:30,119 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:31,735 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:33,225 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:34,745 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:36,369 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:37,941 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:39,437 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:40,937 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:42,478 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:44,032 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:45,721 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:47,394 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:49:48,949 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:50,536 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:51,806 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 45 [2020-10-23 23:49:54,067 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:55,615 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:49:58,029 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:49:58,669 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:49:59,052 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 524 [2020-10-23 23:50:00,681 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 81 [2020-10-23 23:50:00,904 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:50:01,349 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 534 [2020-10-23 23:50:01,825 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 537 [2020-10-23 23:50:02,050 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-10-23 23:50:02,456 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-10-23 23:50:02,718 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-10-23 23:50:02,980 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-10-23 23:50:03,119 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 42 [2020-10-23 23:50:03,793 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:04,439 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:05,099 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:05,724 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:06,517 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:07,149 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:08,582 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:08,710 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:08,839 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:08,964 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:09,090 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:09,212 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:09,335 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:09,456 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:09,579 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:10,308 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 36 [2020-10-23 23:50:10,561 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 36 [2020-10-23 23:50:11,190 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:11,843 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:12,516 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:12,641 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:12,771 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:12,893 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:13,021 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:13,145 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:13,269 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:13,392 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:13,516 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-10-23 23:50:15,260 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:16,791 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:18,929 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:20,526 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:22,210 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:50:23,860 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:50:25,524 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:50:27,159 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:50:28,763 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:50:30,378 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-10-23 23:50:31,986 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:33,516 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:35,016 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:36,548 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:38,043 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:39,547 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:41,568 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:43,069 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-10-23 23:50:44,103 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:50:44,944 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:50:46,280 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:50:47,623 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:50:48,938 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:50:49,752 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:50:51,195 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:50:52,571 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:50:53,491 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:50:54,314 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-10-23 23:50:54,603 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:50:54,894 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:50:55,185 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-10-23 23:50:55,466 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-10-23 23:50:56,818 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:50:58,158 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-10-23 23:50:59,276 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:50:59,911 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:51:00,543 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:51:01,173 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:51:01,952 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:51:02,589 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:51:02,778 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 524 [2020-10-23 23:51:03,723 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:51:04,391 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-10-23 23:51:05,971 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:51:07,500 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 365 DAG size of output: 26 [2020-10-23 23:51:09,064 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:51:13,505 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 371 DAG size of output: 30 [2020-10-23 23:51:15,132 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 383 DAG size of output: 28 [2020-10-23 23:51:20,347 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 367 DAG size of output: 20 [2020-10-23 23:51:24,618 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-10-23 23:51:26,070 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:51:28,527 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 371 DAG size of output: 20 [2020-10-23 23:51:30,014 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:51:34,123 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-10-23 23:51:36,990 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 362 DAG size of output: 12 [2020-10-23 23:51:38,452 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:51:39,917 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:51:41,247 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 357 DAG size of output: 18 [2020-10-23 23:51:45,425 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-10-23 23:51:48,237 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 361 DAG size of output: 9 [2020-10-23 23:51:51,093 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 361 DAG size of output: 9 [2020-10-23 23:51:52,411 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 362 DAG size of output: 29 [2020-10-23 23:51:53,723 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 362 DAG size of output: 29 [2020-10-23 23:51:55,059 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 362 DAG size of output: 29 [2020-10-23 23:51:57,915 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 364 DAG size of output: 13 [2020-10-23 23:51:59,244 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-10-23 23:52:00,651 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 372 DAG size of output: 45 [2020-10-23 23:52:03,376 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-10-23 23:52:05,038 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 376 DAG size of output: 22 [2020-10-23 23:52:06,491 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:52:07,926 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:52:09,388 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:52:10,863 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:52:12,234 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 360 DAG size of output: 21 [2020-10-23 23:52:16,381 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-10-23 23:52:20,504 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-10-23 23:52:24,561 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-10-23 23:52:27,262 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 359 DAG size of output: 12 [2020-10-23 23:52:28,689 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:52:30,039 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-10-23 23:52:34,411 WARN L193 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-10-23 23:52:36,003 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:52:38,956 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 361 DAG size of output: 11 [2020-10-23 23:52:41,826 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 360 DAG size of output: 8 [2020-10-23 23:52:43,291 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 360 DAG size of output: 15 [2020-10-23 23:52:44,712 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-10-23 23:52:46,154 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2020-10-23 23:52:49,041 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-10-23 23:52:51,926 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-10-23 23:52:54,811 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-10-23 23:52:56,369 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:52:59,280 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 362 DAG size of output: 12 [2020-10-23 23:53:00,740 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-10-23 23:53:02,154 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-10-23 23:53:03,601 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 372 DAG size of output: 45 [2020-10-23 23:53:05,114 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:53:06,537 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:53:07,902 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 368 DAG size of output: 34 [2020-10-23 23:53:10,599 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2020-10-23 23:53:14,619 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-10-23 23:53:16,040 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:53:17,459 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:53:21,142 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 374 DAG size of output: 34 [2020-10-23 23:53:24,828 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 374 DAG size of output: 34 [2020-10-23 23:53:28,532 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 377 DAG size of output: 37 [2020-10-23 23:53:31,204 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2020-10-23 23:53:32,629 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:53:34,074 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:53:35,411 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 362 DAG size of output: 29 [2020-10-23 23:53:36,831 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-10-23 23:53:39,555 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 360 DAG size of output: 15 [2020-10-23 23:53:40,901 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 368 DAG size of output: 34 [2020-10-23 23:53:43,623 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 361 DAG size of output: 11 [2020-10-23 23:53:46,328 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 360 DAG size of output: 8