/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 03:52:37,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 03:52:37,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 03:52:37,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 03:52:37,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 03:52:37,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 03:52:37,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 03:52:37,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 03:52:37,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 03:52:37,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 03:52:37,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 03:52:37,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 03:52:37,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 03:52:37,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 03:52:37,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 03:52:37,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 03:52:37,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 03:52:37,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 03:52:37,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 03:52:37,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 03:52:37,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 03:52:37,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 03:52:37,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 03:52:37,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 03:52:37,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 03:52:37,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 03:52:37,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 03:52:37,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 03:52:37,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 03:52:37,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 03:52:37,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 03:52:37,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 03:52:37,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 03:52:37,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 03:52:37,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 03:52:37,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 03:52:37,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 03:52:37,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 03:52:37,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 03:52:37,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 03:52:37,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 03:52:37,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 03:52:37,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 03:52:37,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 03:52:37,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 03:52:37,700 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 03:52:37,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 03:52:37,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 03:52:37,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 03:52:37,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 03:52:37,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 03:52:37,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 03:52:37,702 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 03:52:37,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 03:52:37,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 03:52:37,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 03:52:37,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 03:52:37,703 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 03:52:37,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 03:52:37,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 03:52:37,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 03:52:37,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 03:52:37,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 03:52:37,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 03:52:37,705 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 03:52:38,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 03:52:38,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 03:52:38,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 03:52:38,136 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 03:52:38,137 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 03:52:38,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-11-07 03:52:38,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3dbfb7d/04373e4cac9c489488890eb87b6ea78d/FLAG08533768a [2020-11-07 03:52:39,065 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 03:52:39,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-11-07 03:52:39,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3dbfb7d/04373e4cac9c489488890eb87b6ea78d/FLAG08533768a [2020-11-07 03:52:39,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3dbfb7d/04373e4cac9c489488890eb87b6ea78d [2020-11-07 03:52:39,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 03:52:39,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 03:52:39,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 03:52:39,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 03:52:39,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 03:52:39,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:52:39" (1/1) ... [2020-11-07 03:52:39,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168b6393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:39, skipping insertion in model container [2020-11-07 03:52:39,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:52:39" (1/1) ... [2020-11-07 03:52:39,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 03:52:39,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 03:52:39,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:52:40,018 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 03:52:40,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:52:40,287 INFO L208 MainTranslator]: Completed translation [2020-11-07 03:52:40,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40 WrapperNode [2020-11-07 03:52:40,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 03:52:40,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 03:52:40,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 03:52:40,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 03:52:40,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... [2020-11-07 03:52:40,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... [2020-11-07 03:52:40,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... [2020-11-07 03:52:40,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... [2020-11-07 03:52:40,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... [2020-11-07 03:52:40,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... [2020-11-07 03:52:40,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... [2020-11-07 03:52:40,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 03:52:40,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 03:52:40,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 03:52:40,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 03:52:40,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 03:52:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 03:52:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 03:52:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 03:52:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 03:52:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-11-07 03:52:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-11-07 03:52:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-11-07 03:52:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-11-07 03:52:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-11-07 03:52:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 03:52:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 03:52:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-11-07 03:52:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 03:52:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 03:52:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 03:52:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 03:52:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 03:52:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-11-07 03:52:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-11-07 03:52:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-11-07 03:52:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-11-07 03:52:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-11-07 03:52:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-11-07 03:52:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-11-07 03:52:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-11-07 03:52:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-11-07 03:52:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-11-07 03:52:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-11-07 03:52:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-11-07 03:52:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-11-07 03:52:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-11-07 03:52:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-11-07 03:52:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-11-07 03:52:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-11-07 03:52:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-11-07 03:52:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-11-07 03:52:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-11-07 03:52:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-11-07 03:52:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-11-07 03:52:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 03:52:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 03:52:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 03:52:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 03:52:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 03:52:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 03:52:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-11-07 03:52:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-11-07 03:52:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-11-07 03:52:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-11-07 03:52:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-11-07 03:52:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-11-07 03:52:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-11-07 03:52:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-11-07 03:52:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-11-07 03:52:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-11-07 03:52:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-11-07 03:52:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-11-07 03:52:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-11-07 03:52:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-11-07 03:52:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-11-07 03:52:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-11-07 03:52:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-11-07 03:52:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-11-07 03:52:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-11-07 03:52:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-11-07 03:52:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-11-07 03:52:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-11-07 03:52:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-11-07 03:52:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-11-07 03:52:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-11-07 03:52:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-11-07 03:52:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-11-07 03:52:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-11-07 03:52:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-11-07 03:52:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-11-07 03:52:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-11-07 03:52:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-11-07 03:52:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-11-07 03:52:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 03:52:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 03:52:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 03:52:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 03:52:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 03:52:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 03:52:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-07 03:52:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-11-07 03:52:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-11-07 03:52:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 03:52:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 03:52:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 03:52:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-11-07 03:52:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-11-07 03:52:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-11-07 03:52:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 03:52:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 03:52:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 03:52:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-11-07 03:52:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 03:52:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-11-07 03:52:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-11-07 03:52:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-11-07 03:52:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-11-07 03:52:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-11-07 03:52:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-11-07 03:52:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-11-07 03:52:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-11-07 03:52:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-11-07 03:52:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-11-07 03:52:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-11-07 03:52:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-11-07 03:52:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-11-07 03:52:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-11-07 03:52:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-11-07 03:52:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-11-07 03:52:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-11-07 03:52:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-11-07 03:52:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-11-07 03:52:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-11-07 03:52:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-11-07 03:52:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-11-07 03:52:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-11-07 03:52:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-11-07 03:52:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-11-07 03:52:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-11-07 03:52:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-11-07 03:52:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-11-07 03:52:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-11-07 03:52:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-11-07 03:52:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-11-07 03:52:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-11-07 03:52:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-11-07 03:52:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 03:52:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-11-07 03:52:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-11-07 03:52:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 03:52:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 03:52:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 03:52:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 03:52:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 03:52:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 03:52:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-11-07 03:52:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-11-07 03:52:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-11-07 03:52:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-11-07 03:52:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-11-07 03:52:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-11-07 03:52:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 03:52:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 03:52:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 03:52:43,276 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 03:52:43,276 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-07 03:52:43,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:52:43 BoogieIcfgContainer [2020-11-07 03:52:43,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 03:52:43,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 03:52:43,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 03:52:43,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 03:52:43,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:52:39" (1/3) ... [2020-11-07 03:52:43,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf8b38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:52:43, skipping insertion in model container [2020-11-07 03:52:43,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:40" (2/3) ... [2020-11-07 03:52:43,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf8b38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:52:43, skipping insertion in model container [2020-11-07 03:52:43,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:52:43" (3/3) ... [2020-11-07 03:52:43,295 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-11-07 03:52:43,313 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 03:52:43,319 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 03:52:43,334 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 03:52:43,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 03:52:43,369 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 03:52:43,369 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 03:52:43,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 03:52:43,370 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 03:52:43,370 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 03:52:43,370 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 03:52:43,370 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 03:52:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states. [2020-11-07 03:52:43,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-11-07 03:52:43,446 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:52:43,448 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:52:43,448 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:52:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:52:43,456 INFO L82 PathProgramCache]: Analyzing trace with hash -879217357, now seen corresponding path program 1 times [2020-11-07 03:52:43,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:52:43,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751825677] [2020-11-07 03:52:43,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:52:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,446 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:52:46,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:52:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:52:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:52:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:52:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:52:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:52:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:52:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:52:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:52:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-07 03:52:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:52:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-11-07 03:52:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:52:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:52:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-11-07 03:52:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-11-07 03:52:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 03:52:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 03:52:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:52:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-11-07 03:52:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2020-11-07 03:52:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:52:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-07 03:52:47,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751825677] [2020-11-07 03:52:47,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 03:52:47,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 03:52:47,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955801337] [2020-11-07 03:52:47,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 03:52:47,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:52:47,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 03:52:47,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-07 03:52:47,419 INFO L87 Difference]: Start difference. First operand 587 states. Second operand 13 states. [2020-11-07 03:52:50,615 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:52:52,534 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:52:54,958 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 519 [2020-11-07 03:52:56,921 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:52:58,778 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:53:00,677 WARN L194 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:53:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:53:10,731 INFO L93 Difference]: Finished difference Result 1217 states and 1449 transitions. [2020-11-07 03:53:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-07 03:53:10,739 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 388 [2020-11-07 03:53:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:53:10,763 INFO L225 Difference]: With dead ends: 1217 [2020-11-07 03:53:10,763 INFO L226 Difference]: Without dead ends: 780 [2020-11-07 03:53:10,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2020-11-07 03:53:10,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-11-07 03:53:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 564. [2020-11-07 03:53:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-11-07 03:53:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 614 transitions. [2020-11-07 03:53:11,388 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 614 transitions. Word has length 388 [2020-11-07 03:53:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:53:11,390 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 614 transitions. [2020-11-07 03:53:11,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 03:53:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 614 transitions. [2020-11-07 03:53:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-11-07 03:53:11,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:53:11,407 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:53:11,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 03:53:11,408 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:53:11,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:53:11,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1756575908, now seen corresponding path program 1 times [2020-11-07 03:53:11,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:53:11,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965724461] [2020-11-07 03:53:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:53:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,465 WARN L194 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:53:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:53:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:53:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:53:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:53:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:53:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:53:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:53:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:53:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-11-07 03:53:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:53:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:53:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-11-07 03:53:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-11-07 03:53:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-11-07 03:53:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-11-07 03:53:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:53:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-11-07 03:53:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-11-07 03:53:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 03:53:13,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965724461] [2020-11-07 03:53:13,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:53:13,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 03:53:13,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600937894] [2020-11-07 03:53:13,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 03:53:13,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:53:13,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 03:53:13,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-07 03:53:13,992 INFO L87 Difference]: Start difference. First operand 564 states and 614 transitions. Second operand 9 states. [2020-11-07 03:53:17,910 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:53:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:53:23,906 INFO L93 Difference]: Finished difference Result 1010 states and 1143 transitions. [2020-11-07 03:53:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 03:53:23,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 390 [2020-11-07 03:53:23,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:53:23,915 INFO L225 Difference]: With dead ends: 1010 [2020-11-07 03:53:23,916 INFO L226 Difference]: Without dead ends: 781 [2020-11-07 03:53:23,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-11-07 03:53:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-11-07 03:53:24,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 566. [2020-11-07 03:53:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-11-07 03:53:24,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 616 transitions. [2020-11-07 03:53:24,388 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 616 transitions. Word has length 390 [2020-11-07 03:53:24,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:53:24,389 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 616 transitions. [2020-11-07 03:53:24,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 03:53:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 616 transitions. [2020-11-07 03:53:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-11-07 03:53:24,399 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:53:24,400 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:53:24,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 03:53:24,400 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:53:24,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:53:24,401 INFO L82 PathProgramCache]: Analyzing trace with hash -99277617, now seen corresponding path program 1 times [2020-11-07 03:53:24,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:53:24,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581155312] [2020-11-07 03:53:24,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:53:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,261 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:53:26,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:53:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:53:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:53:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:53:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:53:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:53:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:53:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:53:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-11-07 03:53:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:53:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:53:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-11-07 03:53:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-11-07 03:53:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 03:53:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 03:53:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:53:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-11-07 03:53:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2020-11-07 03:53:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 03:53:26,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581155312] [2020-11-07 03:53:26,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 03:53:26,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 03:53:26,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912170741] [2020-11-07 03:53:26,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:53:26,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:53:26,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:53:26,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:53:26,706 INFO L87 Difference]: Start difference. First operand 566 states and 616 transitions. Second operand 10 states. [2020-11-07 03:53:30,778 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:53:32,527 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:53:40,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:53:40,210 INFO L93 Difference]: Finished difference Result 1085 states and 1243 transitions. [2020-11-07 03:53:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 03:53:40,218 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 399 [2020-11-07 03:53:40,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:53:40,225 INFO L225 Difference]: With dead ends: 1085 [2020-11-07 03:53:40,225 INFO L226 Difference]: Without dead ends: 856 [2020-11-07 03:53:40,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2020-11-07 03:53:40,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-11-07 03:53:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 636. [2020-11-07 03:53:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-11-07 03:53:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 709 transitions. [2020-11-07 03:53:40,773 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 709 transitions. Word has length 399 [2020-11-07 03:53:40,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:53:40,774 INFO L481 AbstractCegarLoop]: Abstraction has 636 states and 709 transitions. [2020-11-07 03:53:40,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:53:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 709 transitions. [2020-11-07 03:53:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-11-07 03:53:40,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:53:40,780 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:53:40,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 03:53:40,781 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:53:40,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:53:40,781 INFO L82 PathProgramCache]: Analyzing trace with hash -828309217, now seen corresponding path program 1 times [2020-11-07 03:53:40,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:53:40,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676635425] [2020-11-07 03:53:40,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:53:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,748 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:53:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:53:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:53:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:53:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:53:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:53:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:53:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:53:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:53:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-11-07 03:53:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:42,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:53:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:53:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-11-07 03:53:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 03:53:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-11-07 03:53:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2020-11-07 03:53:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:53:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-11-07 03:53:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 03:53:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 03:53:43,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676635425] [2020-11-07 03:53:43,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:53:43,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 03:53:43,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670762025] [2020-11-07 03:53:43,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 03:53:43,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:53:43,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 03:53:43,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-07 03:53:43,221 INFO L87 Difference]: Start difference. First operand 636 states and 709 transitions. Second operand 9 states. [2020-11-07 03:53:47,618 WARN L194 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:53:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:53:55,758 INFO L93 Difference]: Finished difference Result 1362 states and 1613 transitions. [2020-11-07 03:53:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-07 03:53:55,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 402 [2020-11-07 03:53:55,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:53:55,765 INFO L225 Difference]: With dead ends: 1362 [2020-11-07 03:53:55,765 INFO L226 Difference]: Without dead ends: 987 [2020-11-07 03:53:55,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-11-07 03:53:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2020-11-07 03:53:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 703. [2020-11-07 03:53:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2020-11-07 03:53:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 797 transitions. [2020-11-07 03:53:56,332 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 797 transitions. Word has length 402 [2020-11-07 03:53:56,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:53:56,333 INFO L481 AbstractCegarLoop]: Abstraction has 703 states and 797 transitions. [2020-11-07 03:53:56,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 03:53:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 797 transitions. [2020-11-07 03:53:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-11-07 03:53:56,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:53:56,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:53:56,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 03:53:56,338 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:53:56,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:53:56,339 INFO L82 PathProgramCache]: Analyzing trace with hash 17997572, now seen corresponding path program 1 times [2020-11-07 03:53:56,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:53:56,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623943482] [2020-11-07 03:53:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:53:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,219 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:53:58,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:53:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:53:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:53:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:53:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:53:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:53:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:53:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:53:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:53:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-11-07 03:53:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:53:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:53:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-11-07 03:53:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-07 03:53:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-11-07 03:53:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 03:53:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:53:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-11-07 03:53:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-11-07 03:53:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:53:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 03:53:58,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623943482] [2020-11-07 03:53:58,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:53:58,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 03:53:58,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340022406] [2020-11-07 03:53:58,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 03:53:58,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:53:58,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 03:53:58,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-07 03:53:58,605 INFO L87 Difference]: Start difference. First operand 703 states and 797 transitions. Second operand 9 states. [2020-11-07 03:54:02,747 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:54:10,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:54:10,547 INFO L93 Difference]: Finished difference Result 1668 states and 2019 transitions. [2020-11-07 03:54:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-07 03:54:10,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 406 [2020-11-07 03:54:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:54:10,560 INFO L225 Difference]: With dead ends: 1668 [2020-11-07 03:54:10,561 INFO L226 Difference]: Without dead ends: 1235 [2020-11-07 03:54:10,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-11-07 03:54:10,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2020-11-07 03:54:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 828. [2020-11-07 03:54:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-11-07 03:54:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 961 transitions. [2020-11-07 03:54:11,314 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 961 transitions. Word has length 406 [2020-11-07 03:54:11,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:54:11,315 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 961 transitions. [2020-11-07 03:54:11,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 03:54:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 961 transitions. [2020-11-07 03:54:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-11-07 03:54:11,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:54:11,320 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:54:11,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 03:54:11,320 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:54:11,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:54:11,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1553778500, now seen corresponding path program 2 times [2020-11-07 03:54:11,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:54:11,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479431481] [2020-11-07 03:54:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:54:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,186 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:54:13,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:54:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:54:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:54:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:54:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:54:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:54:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:54:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:54:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-11-07 03:54:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:54:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:54:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-11-07 03:54:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-11-07 03:54:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-11-07 03:54:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-11-07 03:54:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:54:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 03:54:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2020-11-07 03:54:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 03:54:13,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479431481] [2020-11-07 03:54:13,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:54:13,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 03:54:13,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113359965] [2020-11-07 03:54:13,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 03:54:13,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:54:13,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 03:54:13,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-07 03:54:13,763 INFO L87 Difference]: Start difference. First operand 828 states and 961 transitions. Second operand 13 states. [2020-11-07 03:54:16,387 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 521 [2020-11-07 03:54:18,369 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:54:20,277 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:54:22,189 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:54:23,968 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:54:27,310 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 521 [2020-11-07 03:54:35,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:54:35,884 INFO L93 Difference]: Finished difference Result 1735 states and 2103 transitions. [2020-11-07 03:54:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 03:54:35,885 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 408 [2020-11-07 03:54:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:54:35,892 INFO L225 Difference]: With dead ends: 1735 [2020-11-07 03:54:35,892 INFO L226 Difference]: Without dead ends: 1235 [2020-11-07 03:54:35,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2020-11-07 03:54:35,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2020-11-07 03:54:36,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 828. [2020-11-07 03:54:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-11-07 03:54:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 959 transitions. [2020-11-07 03:54:36,758 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 959 transitions. Word has length 408 [2020-11-07 03:54:36,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:54:36,758 INFO L481 AbstractCegarLoop]: Abstraction has 828 states and 959 transitions. [2020-11-07 03:54:36,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 03:54:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 959 transitions. [2020-11-07 03:54:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-11-07 03:54:36,763 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:54:36,763 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:54:36,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 03:54:36,763 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:54:36,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:54:36,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1792831873, now seen corresponding path program 1 times [2020-11-07 03:54:36,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:54:36,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002722550] [2020-11-07 03:54:36,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:54:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,561 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:54:38,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:54:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:54:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:54:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:54:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:54:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:54:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:54:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:54:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-11-07 03:54:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:54:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:54:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-11-07 03:54:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-11-07 03:54:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 03:54:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 03:54:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:54:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2020-11-07 03:54:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2020-11-07 03:54:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 03:54:39,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002722550] [2020-11-07 03:54:39,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:54:39,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 03:54:39,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646365335] [2020-11-07 03:54:39,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 03:54:39,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:54:39,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 03:54:39,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-07 03:54:39,064 INFO L87 Difference]: Start difference. First operand 828 states and 959 transitions. Second operand 9 states. [2020-11-07 03:54:42,266 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:54:49,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:54:49,786 INFO L93 Difference]: Finished difference Result 2263 states and 2805 transitions. [2020-11-07 03:54:49,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-07 03:54:49,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 410 [2020-11-07 03:54:49,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:54:49,800 INFO L225 Difference]: With dead ends: 2263 [2020-11-07 03:54:49,801 INFO L226 Difference]: Without dead ends: 1713 [2020-11-07 03:54:49,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-11-07 03:54:49,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2020-11-07 03:54:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1068. [2020-11-07 03:54:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2020-11-07 03:54:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1274 transitions. [2020-11-07 03:54:51,046 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1274 transitions. Word has length 410 [2020-11-07 03:54:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:54:51,047 INFO L481 AbstractCegarLoop]: Abstraction has 1068 states and 1274 transitions. [2020-11-07 03:54:51,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 03:54:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1274 transitions. [2020-11-07 03:54:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-11-07 03:54:51,052 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:54:51,053 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:54:51,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 03:54:51,053 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:54:51,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:54:51,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1202192214, now seen corresponding path program 1 times [2020-11-07 03:54:51,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:54:51,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067102045] [2020-11-07 03:54:51,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:54:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:52,916 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:54:52,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:54:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:52,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:54:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:52,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:54:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:54:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:54:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:54:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:54:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:54:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:54:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 03:54:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:54:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-11-07 03:54:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:54:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:54:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-11-07 03:54:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-11-07 03:54:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-11-07 03:54:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-11-07 03:54:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:54:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-11-07 03:54:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-11-07 03:54:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:54:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-07 03:54:53,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067102045] [2020-11-07 03:54:53,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:54:53,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 03:54:53,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533917175] [2020-11-07 03:54:53,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 03:54:53,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:54:53,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 03:54:53,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-11-07 03:54:53,460 INFO L87 Difference]: Start difference. First operand 1068 states and 1274 transitions. Second operand 14 states. [2020-11-07 03:54:56,148 WARN L194 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:54:58,987 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 519 [2020-11-07 03:55:02,375 WARN L194 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:55:04,357 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:55:12,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:12,874 INFO L93 Difference]: Finished difference Result 2454 states and 3056 transitions. [2020-11-07 03:55:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 03:55:12,875 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 419 [2020-11-07 03:55:12,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:12,883 INFO L225 Difference]: With dead ends: 2454 [2020-11-07 03:55:12,883 INFO L226 Difference]: Without dead ends: 1710 [2020-11-07 03:55:12,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2020-11-07 03:55:12,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-11-07 03:55:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1067. [2020-11-07 03:55:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-11-07 03:55:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1272 transitions. [2020-11-07 03:55:14,154 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1272 transitions. Word has length 419 [2020-11-07 03:55:14,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:14,155 INFO L481 AbstractCegarLoop]: Abstraction has 1067 states and 1272 transitions. [2020-11-07 03:55:14,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 03:55:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1272 transitions. [2020-11-07 03:55:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-11-07 03:55:14,160 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:14,161 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:14,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 03:55:14,161 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:55:14,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:14,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1053093699, now seen corresponding path program 1 times [2020-11-07 03:55:14,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:14,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189592532] [2020-11-07 03:55:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,083 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:55:16,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:55:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:55:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:55:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:55:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:55:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:55:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:55:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:55:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:55:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:55:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 03:55:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-11-07 03:55:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:55:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:55:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-11-07 03:55:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-11-07 03:55:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 03:55:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 03:55:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-11-07 03:55:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-11-07 03:55:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-07 03:55:16,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189592532] [2020-11-07 03:55:16,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:16,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 03:55:16,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127399426] [2020-11-07 03:55:16,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 03:55:16,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:16,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 03:55:16,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-07 03:55:16,592 INFO L87 Difference]: Start difference. First operand 1067 states and 1272 transitions. Second operand 13 states. [2020-11-07 03:55:19,056 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:55:21,631 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 519 [2020-11-07 03:55:24,769 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:55:26,637 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:55:34,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:34,519 INFO L93 Difference]: Finished difference Result 2207 states and 2721 transitions. [2020-11-07 03:55:34,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 03:55:34,520 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 420 [2020-11-07 03:55:34,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:34,528 INFO L225 Difference]: With dead ends: 2207 [2020-11-07 03:55:34,528 INFO L226 Difference]: Without dead ends: 1461 [2020-11-07 03:55:34,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=257, Invalid=799, Unknown=0, NotChecked=0, Total=1056 [2020-11-07 03:55:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2020-11-07 03:55:35,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1065. [2020-11-07 03:55:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-11-07 03:55:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1268 transitions. [2020-11-07 03:55:35,841 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1268 transitions. Word has length 420 [2020-11-07 03:55:35,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:35,842 INFO L481 AbstractCegarLoop]: Abstraction has 1065 states and 1268 transitions. [2020-11-07 03:55:35,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 03:55:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1268 transitions. [2020-11-07 03:55:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-11-07 03:55:35,847 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:35,847 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:35,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 03:55:35,848 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:55:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:35,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1979470306, now seen corresponding path program 1 times [2020-11-07 03:55:35,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:35,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626666117] [2020-11-07 03:55:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,876 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:55:37,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:55:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:55:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:55:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:37,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:55:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:55:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:55:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:55:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:55:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:55:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:55:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 03:55:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-11-07 03:55:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:55:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:55:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-11-07 03:55:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-11-07 03:55:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 03:55:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 03:55:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-11-07 03:55:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-11-07 03:55:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-07 03:55:38,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626666117] [2020-11-07 03:55:38,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:38,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-11-07 03:55:38,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144180759] [2020-11-07 03:55:38,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-07 03:55:38,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:38,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-07 03:55:38,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2020-11-07 03:55:38,647 INFO L87 Difference]: Start difference. First operand 1065 states and 1268 transitions. Second operand 26 states. [2020-11-07 03:55:41,288 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:55:44,420 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:55:50,077 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 525 [2020-11-07 03:55:52,075 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 528 [2020-11-07 03:55:54,309 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 525 [2020-11-07 03:55:57,593 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 525 [2020-11-07 03:56:02,300 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:56:04,317 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 526 [2020-11-07 03:56:06,447 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 525 [2020-11-07 03:56:08,441 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 528 [2020-11-07 03:56:10,366 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 525 [2020-11-07 03:56:12,326 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 525 [2020-11-07 03:56:14,306 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 528 [2020-11-07 03:56:16,681 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 525 [2020-11-07 03:56:18,576 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 526 [2020-11-07 03:56:23,037 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 519 [2020-11-07 03:56:26,469 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 521 [2020-11-07 03:56:28,349 WARN L194 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 523 [2020-11-07 03:56:30,620 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:56:32,560 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:56:35,464 WARN L194 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:56:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:39,474 INFO L93 Difference]: Finished difference Result 1949 states and 2338 transitions. [2020-11-07 03:56:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-11-07 03:56:39,478 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 420 [2020-11-07 03:56:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:39,486 INFO L225 Difference]: With dead ends: 1949 [2020-11-07 03:56:39,487 INFO L226 Difference]: Without dead ends: 1699 [2020-11-07 03:56:39,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 44.7s TimeCoverageRelationStatistics Valid=1347, Invalid=6135, Unknown=0, NotChecked=0, Total=7482 [2020-11-07 03:56:39,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-11-07 03:56:41,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1254. [2020-11-07 03:56:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2020-11-07 03:56:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1473 transitions. [2020-11-07 03:56:41,049 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1473 transitions. Word has length 420 [2020-11-07 03:56:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:41,049 INFO L481 AbstractCegarLoop]: Abstraction has 1254 states and 1473 transitions. [2020-11-07 03:56:41,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-11-07 03:56:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1473 transitions. [2020-11-07 03:56:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2020-11-07 03:56:41,055 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:41,055 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:56:41,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 03:56:41,056 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:56:41,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:41,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1628932404, now seen corresponding path program 1 times [2020-11-07 03:56:41,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:41,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361198145] [2020-11-07 03:56:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,070 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:56:43,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:56:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:56:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:56:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:56:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:56:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:56:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:56:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:56:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:56:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:56:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 03:56:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-11-07 03:56:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:56:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:56:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-11-07 03:56:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-11-07 03:56:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 03:56:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 03:56:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-11-07 03:56:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2020-11-07 03:56:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-07 03:56:43,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361198145] [2020-11-07 03:56:43,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:43,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-11-07 03:56:43,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126053009] [2020-11-07 03:56:43,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-07 03:56:43,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:43,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-07 03:56:43,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2020-11-07 03:56:43,696 INFO L87 Difference]: Start difference. First operand 1254 states and 1473 transitions. Second operand 21 states. [2020-11-07 03:56:51,322 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 521 [2020-11-07 03:56:54,991 WARN L194 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:56:57,257 WARN L194 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 527 [2020-11-07 03:56:59,582 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:01,740 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:57:03,821 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:05,837 WARN L194 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:57:07,766 WARN L194 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:09,668 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:57:12,298 WARN L194 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:14,197 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:57:16,047 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:17,938 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 523 [2020-11-07 03:57:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:24,122 INFO L93 Difference]: Finished difference Result 2109 states and 2508 transitions. [2020-11-07 03:57:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-11-07 03:57:24,122 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 421 [2020-11-07 03:57:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:24,131 INFO L225 Difference]: With dead ends: 2109 [2020-11-07 03:57:24,131 INFO L226 Difference]: Without dead ends: 1690 [2020-11-07 03:57:24,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 28.7s TimeCoverageRelationStatistics Valid=813, Invalid=4157, Unknown=0, NotChecked=0, Total=4970 [2020-11-07 03:57:24,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-11-07 03:57:25,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1270. [2020-11-07 03:57:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2020-11-07 03:57:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1489 transitions. [2020-11-07 03:57:25,673 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1489 transitions. Word has length 421 [2020-11-07 03:57:25,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:25,673 INFO L481 AbstractCegarLoop]: Abstraction has 1270 states and 1489 transitions. [2020-11-07 03:57:25,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-07 03:57:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1489 transitions. [2020-11-07 03:57:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2020-11-07 03:57:25,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:25,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:57:25,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 03:57:25,679 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:25,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:25,680 INFO L82 PathProgramCache]: Analyzing trace with hash -674833963, now seen corresponding path program 1 times [2020-11-07 03:57:25,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:25,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346980570] [2020-11-07 03:57:25,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,665 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 517 [2020-11-07 03:57:27,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 03:57:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 03:57:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:57:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 03:57:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-07 03:57:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:57:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 03:57:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:57:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 03:57:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 03:57:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 03:57:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:27,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-11-07 03:57:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-07 03:57:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 03:57:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-11-07 03:57:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-11-07 03:57:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 03:57:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 03:57:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-11-07 03:57:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2020-11-07 03:57:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-07 03:57:28,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346980570] [2020-11-07 03:57:28,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:28,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-11-07 03:57:28,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238654484] [2020-11-07 03:57:28,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 03:57:28,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:28,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 03:57:28,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-11-07 03:57:28,299 INFO L87 Difference]: Start difference. First operand 1270 states and 1489 transitions. Second operand 17 states. [2020-11-07 03:57:30,927 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 521 [2020-11-07 03:57:32,739 WARN L194 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:57:34,625 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:36,494 WARN L194 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:57:38,284 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:48,641 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:50,526 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 522 [2020-11-07 03:57:52,486 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 521 [2020-11-07 03:57:54,487 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 524 [2020-11-07 03:57:56,411 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 521 [2020-11-07 03:57:59,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:59,165 INFO L93 Difference]: Finished difference Result 1688 states and 2041 transitions. [2020-11-07 03:57:59,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-07 03:57:59,166 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 421 [2020-11-07 03:57:59,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:59,168 INFO L225 Difference]: With dead ends: 1688 [2020-11-07 03:57:59,168 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 03:57:59,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2020-11-07 03:57:59,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 03:57:59,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 03:57:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 03:57:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 03:57:59,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 421 [2020-11-07 03:57:59,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:59,175 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 03:57:59,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 03:57:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 03:57:59,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 03:57:59,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 03:57:59,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 03:57:59,355 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2020-11-07 03:57:59,487 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:57:59,611 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2020-11-07 03:57:59,728 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2020-11-07 03:57:59,839 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2020-11-07 03:58:00,780 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 52 [2020-11-07 03:58:00,903 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2020-11-07 03:58:01,014 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2020-11-07 03:58:02,387 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 597 DAG size of output: 550 [2020-11-07 03:58:02,632 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-11-07 03:58:02,945 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-11-07 03:58:03,292 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 525 [2020-11-07 03:58:06,990 WARN L194 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-11-07 03:58:07,339 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-11-07 03:58:08,079 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-11-07 03:58:08,309 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:08,535 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:08,968 WARN L194 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-11-07 03:58:09,196 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:10,850 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 543 [2020-11-07 03:58:17,354 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:58:18,953 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:58:23,628 WARN L194 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:58:24,281 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:58:25,463 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-11-07 03:58:25,735 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-11-07 03:58:26,477 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:58:26,783 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:58:27,084 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-11-07 03:58:27,386 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-11-07 03:58:27,698 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:58:28,014 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:58:28,312 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:58:28,631 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-11-07 03:58:28,934 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-11-07 03:58:29,241 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-11-07 03:58:29,541 WARN L194 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 50 [2020-11-07 03:58:30,741 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 50 [2020-11-07 03:58:30,850 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 41 [2020-11-07 03:58:31,511 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-11-07 03:58:31,775 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-11-07 03:58:32,041 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-11-07 03:58:32,181 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 42 [2020-11-07 03:58:34,327 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 81 [2020-11-07 03:58:34,549 WARN L194 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:34,979 WARN L194 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 534 [2020-11-07 03:58:35,450 WARN L194 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 537 [2020-11-07 03:58:35,675 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:36,583 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 56 [2020-11-07 03:58:37,297 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 56 [2020-11-07 03:58:38,781 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 03:58:40,154 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 03:58:40,793 WARN L194 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-11-07 03:58:41,132 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-11-07 03:58:41,575 WARN L194 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 44 [2020-11-07 03:58:41,805 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:42,033 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:42,375 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 39 [2020-11-07 03:58:42,596 WARN L194 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 03:58:43,295 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 466 [2020-11-07 03:58:43,624 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 47 [2020-11-07 03:58:44,171 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 550 [2020-11-07 03:58:44,688 WARN L194 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2020-11-07 03:58:45,717 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 03:58:46,739 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 03:58:47,551 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-11-07 03:58:47,705 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2020-11-07 03:58:48,137 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2020-11-07 03:58:48,297 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2020-11-07 03:58:49,100 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-11-07 03:58:50,027 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-11-07 03:58:50,384 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2020-11-07 03:58:50,991 WARN L194 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 21 [2020-11-07 03:58:51,824 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 21 [2020-11-07 03:58:52,829 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 03:58:53,871 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 03:58:54,945 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 03:58:55,588 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 03:58:56,227 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 03:58:56,855 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 03:58:57,477 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 03:58:57,803 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 47 [2020-11-07 03:58:58,567 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:58:59,210 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:58:59,854 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:59:00,493 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:59:01,140 WARN L194 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:59:01,774 WARN L194 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:59:03,424 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:05,101 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:06,682 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:08,273 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:09,907 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:11,515 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:13,103 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:14,686 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:16,702 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 692 DAG size of output: 48 [2020-11-07 03:59:18,567 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 692 DAG size of output: 48 [2020-11-07 03:59:20,105 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:21,683 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:23,344 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:25,062 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:26,673 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:28,297 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:29,912 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:31,433 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:32,053 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-11-07 03:59:32,265 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-11-07 03:59:33,615 WARN L194 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 03:59:34,533 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 03:59:34,746 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-11-07 03:59:34,958 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 32 [2020-11-07 03:59:35,755 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:59:36,429 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 03:59:36,823 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:59:37,127 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:59:37,429 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-11-07 03:59:37,727 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 03:59:38,121 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-11-07 03:59:38,261 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2020-11-07 03:59:38,471 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 525 [2020-11-07 03:59:39,890 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 03:59:40,775 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 03:59:42,282 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:43,834 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:45,348 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:46,857 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:48,365 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:49,912 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:51,428 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:52,937 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:54,539 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:56,201 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 03:59:57,727 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 03:59:59,223 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:00,731 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:02,295 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:03,798 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:05,326 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:05,624 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 40 [2020-11-07 04:00:06,066 WARN L194 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 45 [2020-11-07 04:00:06,496 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 43 [2020-11-07 04:00:08,238 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 40 [2020-11-07 04:00:08,682 WARN L194 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 45 [2020-11-07 04:00:09,124 WARN L194 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 43 [2020-11-07 04:00:10,751 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 48 [2020-11-07 04:00:11,996 WARN L194 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 45 [2020-11-07 04:00:14,496 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 43 [2020-11-07 04:00:14,913 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 43 [2020-11-07 04:00:17,794 WARN L194 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 692 DAG size of output: 59 [2020-11-07 04:00:19,749 WARN L194 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 692 DAG size of output: 59 [2020-11-07 04:00:20,747 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:00:21,572 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:00:23,028 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:00:24,434 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:00:24,667 WARN L194 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-11-07 04:00:24,798 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 39 [2020-11-07 04:00:24,930 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 39 [2020-11-07 04:00:25,186 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 46 [2020-11-07 04:00:26,176 WARN L194 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 542 [2020-11-07 04:00:27,714 WARN L194 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 547 [2020-11-07 04:00:29,384 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-11-07 04:00:29,641 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 38 [2020-11-07 04:00:29,823 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 50 [2020-11-07 04:00:29,928 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 41 [2020-11-07 04:00:31,432 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:32,956 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:34,485 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:36,076 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:37,854 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 04:00:38,778 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 04:00:40,546 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:00:42,239 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:00:44,000 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:00:45,662 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:00:46,673 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 04:00:47,593 WARN L194 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 04:00:49,105 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:50,605 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:00:52,739 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 673 DAG size of output: 425 [2020-11-07 04:00:54,861 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 673 DAG size of output: 425 [2020-11-07 04:00:56,524 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:00:58,151 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:00:59,692 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:01,233 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:02,130 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:01:02,967 WARN L194 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:01:04,635 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:06,255 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:07,783 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:09,298 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:09,765 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 21 [2020-11-07 04:01:10,778 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 04:01:11,802 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 04:01:12,627 WARN L194 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-11-07 04:01:12,784 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 21 [2020-11-07 04:01:13,069 WARN L194 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 21 [2020-11-07 04:01:13,227 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 21 [2020-11-07 04:01:14,044 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-11-07 04:01:14,993 WARN L194 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 21 [2020-11-07 04:01:15,204 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 21 [2020-11-07 04:01:15,667 WARN L194 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 21 [2020-11-07 04:01:16,489 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 21 [2020-11-07 04:01:17,498 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 04:01:18,496 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 04:01:19,501 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 593 DAG size of output: 21 [2020-11-07 04:01:20,135 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 04:01:20,759 WARN L194 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 04:01:21,398 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 04:01:22,036 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 542 [2020-11-07 04:01:22,953 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 04:01:23,874 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 62 [2020-11-07 04:01:25,564 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:27,254 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:28,853 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:30,454 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:32,169 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:33,867 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:35,435 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:36,984 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:38,676 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:40,355 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:42,167 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:43,827 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:45,370 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:46,895 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:48,580 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:50,254 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:51,904 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:53,548 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:01:55,144 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:56,717 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:01:58,395 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:00,076 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:01,636 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:03,232 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:04,880 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:06,483 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:08,550 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:10,167 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:11,700 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:13,227 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:14,485 WARN L194 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 45 [2020-11-07 04:02:16,730 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:18,258 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:20,895 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:21,578 WARN L194 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:21,983 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 524 [2020-11-07 04:02:23,680 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 81 [2020-11-07 04:02:23,926 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 04:02:24,381 WARN L194 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 534 [2020-11-07 04:02:24,876 WARN L194 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 537 [2020-11-07 04:02:25,113 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 38 [2020-11-07 04:02:25,527 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-11-07 04:02:25,790 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-11-07 04:02:26,047 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 50 [2020-11-07 04:02:26,198 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 42 [2020-11-07 04:02:26,918 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:27,598 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:28,258 WARN L194 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:28,905 WARN L194 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:29,698 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:30,327 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:31,818 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:31,949 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:32,081 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:32,218 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:32,352 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:32,483 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:32,618 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:32,750 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:32,883 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:33,654 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 36 [2020-11-07 04:02:33,920 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 36 [2020-11-07 04:02:34,623 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:35,288 WARN L194 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:02:35,964 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:36,096 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:36,231 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:36,362 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:36,493 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:36,628 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:36,762 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:36,895 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:37,030 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 39 [2020-11-07 04:02:39,241 WARN L194 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:40,829 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:42,968 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:44,570 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:46,231 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:47,923 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:49,591 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:51,221 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:52,906 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:54,571 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 669 DAG size of output: 59 [2020-11-07 04:02:56,170 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:57,685 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:02:59,267 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:03:00,789 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:03:02,320 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:03:03,906 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:03:05,992 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:03:07,588 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 669 DAG size of output: 48 [2020-11-07 04:03:08,625 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:03:09,451 WARN L194 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:03:10,816 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:03:12,192 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:03:13,524 WARN L194 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:03:14,363 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:03:15,857 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:03:17,244 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:03:18,174 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:03:19,039 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 43 [2020-11-07 04:03:19,345 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 04:03:19,649 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 04:03:19,939 WARN L194 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 43 [2020-11-07 04:03:20,232 WARN L194 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 46 [2020-11-07 04:03:21,617 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:03:22,990 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 629 DAG size of output: 62 [2020-11-07 04:03:24,117 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:24,753 WARN L194 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:25,379 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:26,029 WARN L194 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:26,828 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:27,445 WARN L194 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:27,631 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 524 [2020-11-07 04:03:28,537 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:29,156 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 511 [2020-11-07 04:03:30,690 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:03:32,269 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 365 DAG size of output: 26 [2020-11-07 04:03:33,775 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:03:38,033 WARN L194 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 371 DAG size of output: 30 [2020-11-07 04:03:39,600 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 383 DAG size of output: 28 [2020-11-07 04:03:44,830 WARN L194 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 367 DAG size of output: 20 [2020-11-07 04:03:49,046 WARN L194 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-11-07 04:03:50,524 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:03:53,042 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 371 DAG size of output: 20 [2020-11-07 04:03:54,539 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:03:58,831 WARN L194 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-11-07 04:04:01,707 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 362 DAG size of output: 12 [2020-11-07 04:04:03,219 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:04:04,718 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:04:06,115 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 357 DAG size of output: 18 [2020-11-07 04:04:10,423 WARN L194 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-11-07 04:04:13,362 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 361 DAG size of output: 9 [2020-11-07 04:04:16,280 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 361 DAG size of output: 9 [2020-11-07 04:04:17,744 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 362 DAG size of output: 29 [2020-11-07 04:04:19,137 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 362 DAG size of output: 29 [2020-11-07 04:04:20,508 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 362 DAG size of output: 29 [2020-11-07 04:04:23,346 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 364 DAG size of output: 13 [2020-11-07 04:04:24,725 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-11-07 04:04:26,170 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 372 DAG size of output: 45 [2020-11-07 04:04:28,995 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-11-07 04:04:30,722 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 376 DAG size of output: 22 [2020-11-07 04:04:32,239 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:04:33,724 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:04:35,226 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:04:36,698 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:04:38,071 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 360 DAG size of output: 21 [2020-11-07 04:04:42,248 WARN L194 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-11-07 04:04:46,447 WARN L194 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 372 DAG size of output: 36 [2020-11-07 04:04:50,823 WARN L194 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-11-07 04:04:53,666 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 359 DAG size of output: 12 [2020-11-07 04:04:55,136 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:04:56,520 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-11-07 04:05:00,736 WARN L194 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-11-07 04:05:02,358 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:05:05,295 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 361 DAG size of output: 11 [2020-11-07 04:05:08,216 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 360 DAG size of output: 8 [2020-11-07 04:05:09,647 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 360 DAG size of output: 15 [2020-11-07 04:05:11,059 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-11-07 04:05:12,492 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2020-11-07 04:05:15,532 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-11-07 04:05:18,576 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-11-07 04:05:21,587 WARN L194 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 363 DAG size of output: 21 [2020-11-07 04:05:23,224 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:05:26,241 WARN L194 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 362 DAG size of output: 12 [2020-11-07 04:05:27,752 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-11-07 04:05:29,219 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 365 DAG size of output: 38 [2020-11-07 04:05:30,751 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 372 DAG size of output: 45 [2020-11-07 04:05:32,403 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:05:33,990 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:05:35,512 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 368 DAG size of output: 34 [2020-11-07 04:05:38,477 WARN L194 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 360 DAG size of output: 12 [2020-11-07 04:05:42,930 WARN L194 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 370 DAG size of output: 30 [2020-11-07 04:05:44,503 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:05:46,071 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 357 DAG size of output: 1 [2020-11-07 04:05:50,183 WARN L194 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 374 DAG size of output: 34