/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 0.1.25-3af5e1f [2020-09-04 20:23:43,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:23:43,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:23:43,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:23:43,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:23:43,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:23:43,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:23:43,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:23:43,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:23:43,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:23:43,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:23:43,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:23:43,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:23:43,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:23:43,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:23:43,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:23:43,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:23:43,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:23:43,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:23:43,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:23:43,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:23:43,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:23:43,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:23:43,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:23:43,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:23:43,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:23:43,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:23:43,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:23:43,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:23:43,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:23:43,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:23:43,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:23:43,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:23:43,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:23:43,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:23:43,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:23:43,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:23:43,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:23:43,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:23:43,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:23:43,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:23:43,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:23:43,384 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:23:43,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:23:43,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:23:43,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:23:43,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:23:43,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:23:43,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:23:43,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:23:43,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:23:43,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:23:43,388 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:23:43,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:23:43,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:23:43,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:23:43,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:23:43,390 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:23:43,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:23:43,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:23:43,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:23:43,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:23:43,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:23:43,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:23:43,392 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-09-04 20:23:44,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:23:44,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:23:44,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:23:44,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:23:44,197 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:23:44,199 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-04 20:23:44,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffe6616e3/3358c688269e455586c72964a17e5f84/FLAG0c3831639 [2020-09-04 20:23:44,953 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:23:44,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-04 20:23:44,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffe6616e3/3358c688269e455586c72964a17e5f84/FLAG0c3831639 [2020-09-04 20:23:45,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffe6616e3/3358c688269e455586c72964a17e5f84 [2020-09-04 20:23:45,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:23:45,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:23:45,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:23:45,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:23:45,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:23:45,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:23:45" (1/1) ... [2020-09-04 20:23:45,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4365ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:45, skipping insertion in model container [2020-09-04 20:23:45,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:23:45" (1/1) ... [2020-09-04 20:23:45,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:23:45,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:23:46,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:23:46,074 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:23:46,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:23:46,301 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:23:46,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46 WrapperNode [2020-09-04 20:23:46,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:23:46,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:23:46,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:23:46,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:23:46,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... [2020-09-04 20:23:46,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... [2020-09-04 20:23:46,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... [2020-09-04 20:23:46,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... [2020-09-04 20:23:46,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... [2020-09-04 20:23:46,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... [2020-09-04 20:23:46,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... [2020-09-04 20:23:46,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:23:46,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:23:46,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:23:46,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:23:46,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:23:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:23:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:23:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:23:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-09-04 20:23:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-09-04 20:23:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-09-04 20:23:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-09-04 20:23:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-09-04 20:23:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:23:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:23:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-09-04 20:23:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:23:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:23:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:23:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:23:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:23:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-09-04 20:23:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-09-04 20:23:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-09-04 20:23:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-09-04 20:23:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-09-04 20:23:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-09-04 20:23:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-09-04 20:23:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-09-04 20:23:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-09-04 20:23:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-09-04 20:23:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-09-04 20:23:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-09-04 20:23:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-09-04 20:23:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-09-04 20:23:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-09-04 20:23:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-09-04 20:23:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-09-04 20:23:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-09-04 20:23:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-09-04 20:23:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-09-04 20:23:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-09-04 20:23:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-09-04 20:23:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-09-04 20:23:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-09-04 20:23:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-09-04 20:23:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-09-04 20:23:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-09-04 20:23:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-09-04 20:23:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-09-04 20:23:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-09-04 20:23:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-09-04 20:23:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-09-04 20:23:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-09-04 20:23:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-04 20:23:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:23:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-09-04 20:23:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:23:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:23:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:23:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:23:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:23:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:23:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-09-04 20:23:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-09-04 20:23:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-09-04 20:23:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-09-04 20:23:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-09-04 20:23:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-09-04 20:23:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-09-04 20:23:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-09-04 20:23:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-09-04 20:23:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-09-04 20:23:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-09-04 20:23:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-09-04 20:23:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-09-04 20:23:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-09-04 20:23:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-09-04 20:23:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-09-04 20:23:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-09-04 20:23:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-09-04 20:23:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-09-04 20:23:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-09-04 20:23:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-09-04 20:23:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-09-04 20:23:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-09-04 20:23:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-09-04 20:23:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-09-04 20:23:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-09-04 20:23:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-09-04 20:23:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-09-04 20:23:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-09-04 20:23:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-09-04 20:23:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-09-04 20:23:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-09-04 20:23:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-09-04 20:23:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:23:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:23:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:23:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-04 20:23:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-09-04 20:23:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-09-04 20:23:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:23:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:23:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:23:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-09-04 20:23:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-09-04 20:23:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-09-04 20:23:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-09-04 20:23:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-09-04 20:23:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-09-04 20:23:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-09-04 20:23:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-09-04 20:23:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-09-04 20:23:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-09-04 20:23:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-09-04 20:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:23:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-09-04 20:23:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-09-04 20:23:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-09-04 20:23:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-09-04 20:23:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-09-04 20:23:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-09-04 20:23:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-09-04 20:23:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-09-04 20:23:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-09-04 20:23:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-09-04 20:23:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-09-04 20:23:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-09-04 20:23:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-09-04 20:23:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-09-04 20:23:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-09-04 20:23:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-09-04 20:23:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-09-04 20:23:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-09-04 20:23:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-09-04 20:23:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-09-04 20:23:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-09-04 20:23:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-09-04 20:23:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-09-04 20:23:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-09-04 20:23:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-09-04 20:23:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-09-04 20:23:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-09-04 20:23:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-09-04 20:23:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-09-04 20:23:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-09-04 20:23:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-09-04 20:23:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-09-04 20:23:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-04 20:23:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:23:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-09-04 20:23:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-09-04 20:23:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:23:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:23:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:23:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:23:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:23:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:23:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:23:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:23:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:23:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:23:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:23:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:23:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:23:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:23:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:23:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:23:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-09-04 20:23:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-09-04 20:23:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-09-04 20:23:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-09-04 20:23:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-09-04 20:23:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-09-04 20:23:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-09-04 20:23:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-09-04 20:23:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-09-04 20:23:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-09-04 20:23:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-09-04 20:23:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-09-04 20:23:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-09-04 20:23:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-09-04 20:23:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-09-04 20:23:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-09-04 20:23:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-09-04 20:23:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-09-04 20:23:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-09-04 20:23:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-09-04 20:23:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-09-04 20:23:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-09-04 20:23:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-09-04 20:23:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-09-04 20:23:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-09-04 20:23:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-09-04 20:23:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:23:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:23:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:23:48,842 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:23:48,842 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-04 20:23:48,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:23:48 BoogieIcfgContainer [2020-09-04 20:23:48,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:23:48,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:23:48,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:23:48,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:23:48,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:23:45" (1/3) ... [2020-09-04 20:23:48,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c15a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:23:48, skipping insertion in model container [2020-09-04 20:23:48,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:23:46" (2/3) ... [2020-09-04 20:23:48,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c15a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:23:48, skipping insertion in model container [2020-09-04 20:23:48,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:23:48" (3/3) ... [2020-09-04 20:23:48,872 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-09-04 20:23:48,884 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:23:48,896 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:23:48,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:23:48,949 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:23:48,949 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:23:48,949 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:23:48,949 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:23:48,949 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:23:48,949 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:23:48,950 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:23:48,950 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:23:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states. [2020-09-04 20:23:49,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-09-04 20:23:49,019 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:23:49,021 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] [2020-09-04 20:23:49,022 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:23:49,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:23:49,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1063984080, now seen corresponding path program 1 times [2020-09-04 20:23:49,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:23:49,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709144455] [2020-09-04 20:23:49,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:23:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,356 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:23:51,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:23:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:23:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:23:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:23:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:23:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:23:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:23:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:23:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:23:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-04 20:23:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:23:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:51,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-04 20:23:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:23:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:23:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-04 20:23:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-04 20:23:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-04 20:23:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 20:23:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:23:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 20:23:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2020-09-04 20:23:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:23:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-04 20:23:52,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709144455] [2020-09-04 20:23:52,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:23:52,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-04 20:23:52,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960539393] [2020-09-04 20:23:52,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 20:23:52,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:23:52,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 20:23:52,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 20:23:52,770 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 13 states. [2020-09-04 20:23:55,524 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:23:57,085 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:23:59,109 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 501 [2020-09-04 20:24:00,693 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:02,207 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:03,746 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:24:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:24:12,800 INFO L93 Difference]: Finished difference Result 1207 states and 1438 transitions. [2020-09-04 20:24:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-04 20:24:12,803 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 382 [2020-09-04 20:24:12,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:24:12,828 INFO L225 Difference]: With dead ends: 1207 [2020-09-04 20:24:12,828 INFO L226 Difference]: Without dead ends: 774 [2020-09-04 20:24:12,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2020-09-04 20:24:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-04 20:24:13,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 558. [2020-09-04 20:24:13,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-04 20:24:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 608 transitions. [2020-09-04 20:24:13,333 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 608 transitions. Word has length 382 [2020-09-04 20:24:13,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:24:13,335 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 608 transitions. [2020-09-04 20:24:13,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 20:24:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 608 transitions. [2020-09-04 20:24:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-09-04 20:24:13,345 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:24:13,346 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] [2020-09-04 20:24:13,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:24:13,347 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:24:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:24:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1553725587, now seen corresponding path program 1 times [2020-09-04 20:24:13,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:24:13,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152303275] [2020-09-04 20:24:13,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:24:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:14,949 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:24:14,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:24:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:24:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:24:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:24:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:24:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:24:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:24:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:24:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-04 20:24:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:24:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:24:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-04 20:24:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-04 20:24:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 20:24:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 20:24:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:24:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-09-04 20:24:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-04 20:24:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-04 20:24:15,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152303275] [2020-09-04 20:24:15,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:24:15,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 20:24:15,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984404165] [2020-09-04 20:24:15,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 20:24:15,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:24:15,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 20:24:15,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 20:24:15,391 INFO L87 Difference]: Start difference. First operand 558 states and 608 transitions. Second operand 13 states. [2020-09-04 20:24:17,706 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:24:19,188 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:21,344 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 501 [2020-09-04 20:24:22,879 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:24,375 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:25,909 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:24:33,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:24:33,260 INFO L93 Difference]: Finished difference Result 1141 states and 1300 transitions. [2020-09-04 20:24:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 20:24:33,261 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 384 [2020-09-04 20:24:33,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:24:33,268 INFO L225 Difference]: With dead ends: 1141 [2020-09-04 20:24:33,268 INFO L226 Difference]: Without dead ends: 782 [2020-09-04 20:24:33,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-09-04 20:24:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-09-04 20:24:33,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 564. [2020-09-04 20:24:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-09-04 20:24:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 614 transitions. [2020-09-04 20:24:33,580 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 614 transitions. Word has length 384 [2020-09-04 20:24:33,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:24:33,581 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 614 transitions. [2020-09-04 20:24:33,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 20:24:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 614 transitions. [2020-09-04 20:24:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-09-04 20:24:33,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:24:33,585 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] [2020-09-04 20:24:33,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:24:33,586 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:24:33,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:24:33,586 INFO L82 PathProgramCache]: Analyzing trace with hash 714445495, now seen corresponding path program 2 times [2020-09-04 20:24:33,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:24:33,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728702704] [2020-09-04 20:24:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:24:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,205 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:24:35,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:24:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:24:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:24:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:24:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:24:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:24:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:24:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:24:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-04 20:24:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:24:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:24:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-09-04 20:24:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 20:24:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-04 20:24:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 20:24:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:24:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 20:24:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-09-04 20:24:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:35,689 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-04 20:24:35,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728702704] [2020-09-04 20:24:35,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:24:35,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 20:24:35,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275301671] [2020-09-04 20:24:35,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 20:24:35,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:24:35,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 20:24:35,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 20:24:35,694 INFO L87 Difference]: Start difference. First operand 564 states and 614 transitions. Second operand 13 states. [2020-09-04 20:24:37,971 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:24:39,527 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:41,683 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 501 [2020-09-04 20:24:43,182 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:44,682 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:24:46,255 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:24:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:24:53,616 INFO L93 Difference]: Finished difference Result 1139 states and 1297 transitions. [2020-09-04 20:24:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 20:24:53,619 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 385 [2020-09-04 20:24:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:24:53,624 INFO L225 Difference]: With dead ends: 1139 [2020-09-04 20:24:53,624 INFO L226 Difference]: Without dead ends: 783 [2020-09-04 20:24:53,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-09-04 20:24:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-04 20:24:53,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 563. [2020-09-04 20:24:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-04 20:24:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 612 transitions. [2020-09-04 20:24:53,940 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 612 transitions. Word has length 385 [2020-09-04 20:24:53,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:24:53,941 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 612 transitions. [2020-09-04 20:24:53,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 20:24:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 612 transitions. [2020-09-04 20:24:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-09-04 20:24:53,945 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:24:53,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-04 20:24:53,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:24:53,946 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:24:53,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:24:53,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1836986340, now seen corresponding path program 1 times [2020-09-04 20:24:53,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:24:53,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593204015] [2020-09-04 20:24:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:24:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,474 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:24:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:24:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:24:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:24:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:24:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:24:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:24:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:24:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:24:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:24:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-04 20:24:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:24:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:24:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-09-04 20:24:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 20:24:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-04 20:24:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 20:24:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:24:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 20:24:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-09-04 20:24:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:24:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-04 20:24:56,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593204015] [2020-09-04 20:24:56,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:24:56,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 20:24:56,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374542049] [2020-09-04 20:24:56,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 20:24:56,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:24:56,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 20:24:56,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 20:24:56,044 INFO L87 Difference]: Start difference. First operand 563 states and 612 transitions. Second operand 13 states. [2020-09-04 20:24:58,367 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:24:59,875 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 505 [2020-09-04 20:25:01,982 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:25:03,551 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 505 [2020-09-04 20:25:05,112 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 505 [2020-09-04 20:25:06,745 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 20:25:08,406 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 20:25:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:25:15,358 INFO L93 Difference]: Finished difference Result 1129 states and 1285 transitions. [2020-09-04 20:25:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 20:25:15,359 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 385 [2020-09-04 20:25:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:25:15,365 INFO L225 Difference]: With dead ends: 1129 [2020-09-04 20:25:15,365 INFO L226 Difference]: Without dead ends: 774 [2020-09-04 20:25:15,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=278, Invalid=778, Unknown=0, NotChecked=0, Total=1056 [2020-09-04 20:25:15,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-04 20:25:15,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 563. [2020-09-04 20:25:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-04 20:25:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 611 transitions. [2020-09-04 20:25:15,704 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 611 transitions. Word has length 385 [2020-09-04 20:25:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:25:15,705 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 611 transitions. [2020-09-04 20:25:15,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 20:25:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 611 transitions. [2020-09-04 20:25:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 20:25:15,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:25:15,709 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-04 20:25:15,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:25:15,709 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:25:15,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:25:15,710 INFO L82 PathProgramCache]: Analyzing trace with hash 442569497, now seen corresponding path program 1 times [2020-09-04 20:25:15,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:25:15,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375667226] [2020-09-04 20:25:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:25:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,350 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:25:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:25:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:25:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:25:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:25:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:25:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:25:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:25:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:25:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-04 20:25:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:25:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:25:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-04 20:25:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2020-09-04 20:25:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-09-04 20:25:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-04 20:25:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:25:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 20:25:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-09-04 20:25:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 20:25:17,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375667226] [2020-09-04 20:25:17,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:25:17,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:25:17,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126104936] [2020-09-04 20:25:17,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:25:17,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:25:17,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:25:17,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:25:17,813 INFO L87 Difference]: Start difference. First operand 563 states and 611 transitions. Second operand 9 states. [2020-09-04 20:25:21,237 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:25:27,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:25:27,155 INFO L93 Difference]: Finished difference Result 1001 states and 1130 transitions. [2020-09-04 20:25:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 20:25:27,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 386 [2020-09-04 20:25:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:25:27,160 INFO L225 Difference]: With dead ends: 1001 [2020-09-04 20:25:27,160 INFO L226 Difference]: Without dead ends: 773 [2020-09-04 20:25:27,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-04 20:25:27,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-09-04 20:25:27,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 565. [2020-09-04 20:25:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-04 20:25:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 613 transitions. [2020-09-04 20:25:27,536 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 613 transitions. Word has length 386 [2020-09-04 20:25:27,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:25:27,537 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 613 transitions. [2020-09-04 20:25:27,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:25:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 613 transitions. [2020-09-04 20:25:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-09-04 20:25:27,540 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:25:27,540 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] [2020-09-04 20:25:27,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:25:27,541 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:25:27,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:25:27,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1807353342, now seen corresponding path program 1 times [2020-09-04 20:25:27,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:25:27,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783285072] [2020-09-04 20:25:27,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:25:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,110 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:25:29,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:25:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:25:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:25:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:25:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:25:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:25:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:25:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:25:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-09-04 20:25:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:25:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:25:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-04 20:25:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 20:25:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-09-04 20:25:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 20:25:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:25:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-09-04 20:25:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-09-04 20:25:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 20:25:29,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783285072] [2020-09-04 20:25:29,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 20:25:29,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 20:25:29,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668046420] [2020-09-04 20:25:29,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:25:29,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:25:29,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:25:29,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:25:29,573 INFO L87 Difference]: Start difference. First operand 565 states and 613 transitions. Second operand 10 states. [2020-09-04 20:25:32,670 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:25:34,111 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:25:40,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:25:40,766 INFO L93 Difference]: Finished difference Result 1076 states and 1230 transitions. [2020-09-04 20:25:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 20:25:40,767 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 395 [2020-09-04 20:25:40,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:25:40,772 INFO L225 Difference]: With dead ends: 1076 [2020-09-04 20:25:40,772 INFO L226 Difference]: Without dead ends: 848 [2020-09-04 20:25:40,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2020-09-04 20:25:40,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-09-04 20:25:41,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 635. [2020-09-04 20:25:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-09-04 20:25:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 706 transitions. [2020-09-04 20:25:41,185 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 706 transitions. Word has length 395 [2020-09-04 20:25:41,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:25:41,186 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 706 transitions. [2020-09-04 20:25:41,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:25:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 706 transitions. [2020-09-04 20:25:41,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-09-04 20:25:41,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:25:41,190 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-04 20:25:41,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:25:41,190 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:25:41,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:25:41,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1153949430, now seen corresponding path program 1 times [2020-09-04 20:25:41,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:25:41,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106765214] [2020-09-04 20:25:41,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:25:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,838 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:25:42,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:25:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:25:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:25:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:25:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:25:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:25:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:25:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:25:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:42,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-04 20:25:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:25:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:25:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-09-04 20:25:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 20:25:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-04 20:25:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 20:25:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:25:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-09-04 20:25:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2020-09-04 20:25:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 20:25:43,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106765214] [2020-09-04 20:25:43,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:25:43,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:25:43,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680755772] [2020-09-04 20:25:43,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:25:43,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:25:43,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:25:43,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:25:43,202 INFO L87 Difference]: Start difference. First operand 635 states and 706 transitions. Second operand 9 states. [2020-09-04 20:25:46,329 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:25:52,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:25:52,740 INFO L93 Difference]: Finished difference Result 1353 states and 1600 transitions. [2020-09-04 20:25:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 20:25:52,741 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 398 [2020-09-04 20:25:52,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:25:52,746 INFO L225 Difference]: With dead ends: 1353 [2020-09-04 20:25:52,746 INFO L226 Difference]: Without dead ends: 979 [2020-09-04 20:25:52,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-09-04 20:25:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2020-09-04 20:25:53,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 702. [2020-09-04 20:25:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-09-04 20:25:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 794 transitions. [2020-09-04 20:25:53,379 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 794 transitions. Word has length 398 [2020-09-04 20:25:53,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:25:53,380 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 794 transitions. [2020-09-04 20:25:53,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:25:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 794 transitions. [2020-09-04 20:25:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-09-04 20:25:53,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:25:53,384 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-04 20:25:53,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:25:53,384 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:25:53,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:25:53,385 INFO L82 PathProgramCache]: Analyzing trace with hash -125608335, now seen corresponding path program 1 times [2020-09-04 20:25:53,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:25:53,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197235726] [2020-09-04 20:25:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:25:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,030 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:25:55,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:25:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:25:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:25:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:25:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:25:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:25:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:25:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:25:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:25:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-04 20:25:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:25:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:25:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-09-04 20:25:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-09-04 20:25:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 20:25:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-09-04 20:25:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:25:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 20:25:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-09-04 20:25:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:25:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 20:25:55,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197235726] [2020-09-04 20:25:55,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:25:55,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:25:55,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939916733] [2020-09-04 20:25:55,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:25:55,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:25:55,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:25:55,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:25:55,365 INFO L87 Difference]: Start difference. First operand 702 states and 794 transitions. Second operand 9 states. [2020-09-04 20:25:59,366 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:26:07,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:26:07,750 INFO L93 Difference]: Finished difference Result 1659 states and 2006 transitions. [2020-09-04 20:26:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 20:26:07,750 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 402 [2020-09-04 20:26:07,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:26:07,756 INFO L225 Difference]: With dead ends: 1659 [2020-09-04 20:26:07,756 INFO L226 Difference]: Without dead ends: 1227 [2020-09-04 20:26:07,757 INFO L675 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 [2020-09-04 20:26:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-09-04 20:26:08,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 827. [2020-09-04 20:26:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-09-04 20:26:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 958 transitions. [2020-09-04 20:26:08,636 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 958 transitions. Word has length 402 [2020-09-04 20:26:08,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:26:08,636 INFO L479 AbstractCegarLoop]: Abstraction has 827 states and 958 transitions. [2020-09-04 20:26:08,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:26:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 958 transitions. [2020-09-04 20:26:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-09-04 20:26:08,642 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:26:08,643 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-09-04 20:26:08,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:26:08,643 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:26:08,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:26:08,644 INFO L82 PathProgramCache]: Analyzing trace with hash 268666041, now seen corresponding path program 2 times [2020-09-04 20:26:08,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:26:08,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960268649] [2020-09-04 20:26:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:26:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,261 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:26:10,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:26:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:26:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:26:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:26:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:26:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:26:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:26:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:26:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-04 20:26:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:26:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:26:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-04 20:26:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-09-04 20:26:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-09-04 20:26:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 20:26:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:26:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 20:26:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-09-04 20:26:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 20:26:10,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960268649] [2020-09-04 20:26:10,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:26:10,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 20:26:10,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944182941] [2020-09-04 20:26:10,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 20:26:10,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:26:10,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 20:26:10,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-04 20:26:10,711 INFO L87 Difference]: Start difference. First operand 827 states and 958 transitions. Second operand 13 states. [2020-09-04 20:26:12,802 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 20:26:14,344 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:26:15,857 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:26:17,424 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:26:18,914 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:26:21,745 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 20:26:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:26:29,865 INFO L93 Difference]: Finished difference Result 1726 states and 2090 transitions. [2020-09-04 20:26:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 20:26:29,866 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 404 [2020-09-04 20:26:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:26:29,872 INFO L225 Difference]: With dead ends: 1726 [2020-09-04 20:26:29,872 INFO L226 Difference]: Without dead ends: 1227 [2020-09-04 20:26:29,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2020-09-04 20:26:29,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-09-04 20:26:30,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 827. [2020-09-04 20:26:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-09-04 20:26:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 956 transitions. [2020-09-04 20:26:30,543 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 956 transitions. Word has length 404 [2020-09-04 20:26:30,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:26:30,544 INFO L479 AbstractCegarLoop]: Abstraction has 827 states and 956 transitions. [2020-09-04 20:26:30,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 20:26:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 956 transitions. [2020-09-04 20:26:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-09-04 20:26:30,548 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:26:30,548 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-04 20:26:30,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:26:30,549 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:26:30,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:26:30,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1474494058, now seen corresponding path program 1 times [2020-09-04 20:26:30,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:26:30,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462788813] [2020-09-04 20:26:30,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:26:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,141 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:26:32,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:26:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:26:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:26:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:26:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:26:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:26:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:26:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:26:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-04 20:26:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:26:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:26:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 20:26:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 20:26:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 20:26:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-04 20:26:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:26:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-09-04 20:26:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-04 20:26:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 20:26:32,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462788813] [2020-09-04 20:26:32,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:26:32,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:26:32,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442527111] [2020-09-04 20:26:32,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:26:32,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:26:32,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:26:32,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:26:32,797 INFO L87 Difference]: Start difference. First operand 827 states and 956 transitions. Second operand 9 states. [2020-09-04 20:26:36,054 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:26:43,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:26:43,208 INFO L93 Difference]: Finished difference Result 2254 states and 2792 transitions. [2020-09-04 20:26:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 20:26:43,209 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 406 [2020-09-04 20:26:43,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:26:43,217 INFO L225 Difference]: With dead ends: 2254 [2020-09-04 20:26:43,217 INFO L226 Difference]: Without dead ends: 1705 [2020-09-04 20:26:43,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-09-04 20:26:43,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-09-04 20:26:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1067. [2020-09-04 20:26:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-09-04 20:26:44,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1271 transitions. [2020-09-04 20:26:44,241 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1271 transitions. Word has length 406 [2020-09-04 20:26:44,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:26:44,242 INFO L479 AbstractCegarLoop]: Abstraction has 1067 states and 1271 transitions. [2020-09-04 20:26:44,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:26:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1271 transitions. [2020-09-04 20:26:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-09-04 20:26:44,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:26:44,246 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:26:44,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 20:26:44,247 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:26:44,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:26:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash 433836126, now seen corresponding path program 1 times [2020-09-04 20:26:44,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:26:44,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528452425] [2020-09-04 20:26:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:26:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:45,948 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:26:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:26:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 20:26:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 20:26:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:26:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:26:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 20:26:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 20:26:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 20:26:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 20:26:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-04 20:26:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:26:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-04 20:26:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 20:26:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 20:26:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-09-04 20:26:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-04 20:26:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 20:26:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-04 20:26:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:26:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2020-09-04 20:26:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-09-04 20:26:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:26:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-04 20:26:46,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1528452425] [2020-09-04 20:26:46,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:26:46,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 20:26:46,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854644589] [2020-09-04 20:26:46,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 20:26:46,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:26:46,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 20:26:46,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-09-04 20:26:46,508 INFO L87 Difference]: Start difference. First operand 1067 states and 1271 transitions. Second operand 17 states. [2020-09-04 20:26:49,050 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 20:26:50,607 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:26:52,141 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:26:53,664 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:26:55,246 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:27:05,453 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:27:07,021 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:09,053 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 20:27:10,689 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:27:12,213 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 503 [2020-09-04 20:27:14,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:14,685 INFO L93 Difference]: Finished difference Result 1703 states and 2113 transitions. [2020-09-04 20:27:14,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 20:27:14,685 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 415 [2020-09-04 20:27:14,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:14,686 INFO L225 Difference]: With dead ends: 1703 [2020-09-04 20:27:14,687 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 20:27:14,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=331, Invalid=1001, Unknown=0, NotChecked=0, Total=1332 [2020-09-04 20:27:14,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 20:27:14,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 20:27:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 20:27:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 20:27:14,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 415 [2020-09-04 20:27:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:14,693 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 20:27:14,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 20:27:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 20:27:14,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 20:27:14,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 20:27:14,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 20:27:15,792 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:16,845 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:17,894 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:18,930 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:19,976 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:21,010 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:22,061 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-04 20:27:23,104 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:27:24,140 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:25,176 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:26,224 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:34,846 WARN L193 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:27:35,885 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:36,909 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:37,915 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:27:38,969 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 20:27:40,011 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:41,053 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:27:47,408 WARN L193 SmtUtils]: Spent 6.35 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 20:27:53,794 WARN L193 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 20:28:01,935 WARN L193 SmtUtils]: Spent 8.12 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:28:10,031 WARN L193 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:28:18,116 WARN L193 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:28:26,163 WARN L193 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:28:34,276 WARN L193 SmtUtils]: Spent 8.11 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:28:42,331 WARN L193 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:28:43,377 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:28:44,449 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 20:28:45,488 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:28:59,289 WARN L193 SmtUtils]: Spent 13.80 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:28:59,449 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 46 [2020-09-04 20:29:00,484 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:01,527 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:02,577 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:03,619 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:04,658 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:05,693 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:06,727 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:07,763 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:08,795 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:09,837 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:10,875 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:11,908 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:15,009 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 536 DAG size of output: 44 [2020-09-04 20:29:16,043 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:17,079 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:18,115 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:19,161 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:20,200 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:21,249 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:22,291 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:23,329 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:24,327 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:29:25,324 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:29:26,360 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:27,398 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:28,458 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:29:29,500 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:30,538 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:31,551 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 509 DAG size of output: 502 [2020-09-04 20:29:32,553 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:29:33,597 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:34,636 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:35,681 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:36,716 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:37,761 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:38,802 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:39,839 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:40,878 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:41,918 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-04 20:29:42,955 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 20:29:44,004 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-04 20:29:45,046 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:46,083 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:47,121 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:48,195 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 20:29:49,242 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:50,293 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:51,335 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:52,368 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:53,411 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:54,449 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:55,485 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:56,524 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:57,562 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:58,601 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:29:59,644 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:00,677 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:01,714 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:02,755 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:03,791 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:04,829 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:05,868 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:06,906 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:07,942 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:08,976 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:10,029 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:11,072 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:12,106 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:13,142 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:14,178 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:15,177 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:30:16,228 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:17,226 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:30:18,264 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:19,307 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:20,354 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:21,394 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:22,433 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:23,470 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:24,507 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:25,544 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:26,582 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:27,619 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:28,658 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:29,698 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:30,747 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 20:30:31,788 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:30:45,476 WARN L193 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:30:49,910 WARN L193 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 539 DAG size of output: 42 [2020-09-04 20:30:54,360 WARN L193 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 539 DAG size of output: 42 [2020-09-04 20:31:08,049 WARN L193 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:31:21,719 WARN L193 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:31:22,752 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:23,788 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:24,825 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:25,861 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:26,895 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:27,892 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-09-04 20:31:36,299 WARN L193 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:31:37,334 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:38,357 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:31:39,393 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:40,430 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:41,465 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:42,519 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:31:56,302 WARN L193 SmtUtils]: Spent 13.78 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:31:57,338 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:32:11,129 WARN L193 SmtUtils]: Spent 13.78 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:32:24,842 WARN L193 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:32:38,501 WARN L193 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:32:52,191 WARN L193 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:32:55,384 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 20:32:58,565 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 20:33:01,746 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 20:33:04,939 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 536 DAG size of output: 49 [2020-09-04 20:33:05,976 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:07,010 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:07,175 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 46 [2020-09-04 20:33:08,208 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:09,248 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:10,282 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:11,322 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:12,358 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:13,399 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:14,428 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:15,443 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-04 20:33:16,488 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-04 20:33:17,526 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:18,564 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:19,645 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 20:33:20,697 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:33:29,108 WARN L193 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:33:38,926 WARN L193 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 584 DAG size of output: 486 [2020-09-04 20:33:52,615 WARN L193 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:34:06,296 WARN L193 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:34:19,951 WARN L193 SmtUtils]: Spent 13.65 s on a formula simplification. DAG size of input: 604 DAG size of output: 493 [2020-09-04 20:34:26,312 WARN L193 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 20:34:32,672 WARN L193 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 547 DAG size of output: 523 [2020-09-04 20:34:33,715 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:34:34,750 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:34:35,801 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:34:44,182 WARN L193 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:34:47,620 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 536 DAG size of output: 46 [2020-09-04 20:34:48,413 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 21 [2020-09-04 20:34:49,387 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 21 [2020-09-04 20:34:51,097 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 551 DAG size of output: 21 [2020-09-04 20:34:52,509 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 545 DAG size of output: 21 [2020-09-04 20:35:01,225 WARN L193 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 20:35:01,838 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 21 [2020-09-04 20:35:10,560 WARN L193 SmtUtils]: Spent 8.72 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 20:35:19,237 WARN L193 SmtUtils]: Spent 8.68 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 20:35:27,237 WARN L193 SmtUtils]: Spent 8.00 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:35:35,269 WARN L193 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:35:43,320 WARN L193 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:35:51,936 WARN L193 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 20:35:59,960 WARN L193 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:36:00,636 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 21 [2020-09-04 20:36:09,274 WARN L193 SmtUtils]: Spent 8.64 s on a formula simplification. DAG size of input: 569 DAG size of output: 21 [2020-09-04 20:36:10,434 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 539 DAG size of output: 21 [2020-09-04 20:36:12,459 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 557 DAG size of output: 21 [2020-09-04 20:36:13,497 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:21,859 WARN L193 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:36:22,894 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:30,920 WARN L193 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:36:38,922 WARN L193 SmtUtils]: Spent 8.00 s on a formula simplification. DAG size of input: 569 DAG size of output: 531 [2020-09-04 20:36:39,964 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:41,007 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:42,072 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:43,133 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-04 20:36:44,170 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:45,219 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:46,261 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:47,296 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:48,334 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:36:49,005 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 20:36:49,646 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 20:36:58,003 WARN L193 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:37:06,359 WARN L193 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:37:14,780 WARN L193 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 558 DAG size of output: 531 [2020-09-04 20:37:15,823 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:16,859 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:17,895 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:18,936 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:19,974 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:21,050 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 511 [2020-09-04 20:37:22,092 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:23,133 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:24,168 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:25,206 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:25,850 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 20:37:26,492 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 40 [2020-09-04 20:37:27,523 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:28,561 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-04 20:37:29,607 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 504