/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:55:20,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:55:20,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:55:20,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:55:20,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:55:20,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:55:20,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:55:20,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:55:20,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:55:20,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:55:20,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:55:20,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:55:20,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:55:20,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:55:20,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:55:20,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:55:20,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:55:20,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:55:20,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:55:20,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:55:20,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:55:20,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:55:20,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:55:20,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:55:20,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:55:20,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:55:20,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:55:20,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:55:20,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:55:20,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:55:20,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:55:20,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:55:20,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:55:20,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:55:20,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:55:20,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:55:20,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:55:20,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:55:20,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:55:20,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:55:20,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:55:20,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:55:20,435 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:55:20,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:55:20,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:55:20,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:55:20,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:55:20,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:55:20,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:55:20,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:55:20,437 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:55:20,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:55:20,437 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:55:20,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:55:20,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:55:20,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:55:20,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:55:20,440 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:55:20,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:55:20,440 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:55:20,440 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:55:20,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:55:20,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:55:20,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:55:20,629 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:55:20,629 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:55:20,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2023-03-31 00:55:21,641 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:55:21,876 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:55:21,877 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2023-03-31 00:55:21,889 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04292d8ce/814e1c685701437889953269bccace74/FLAG85677a4da [2023-03-31 00:55:21,899 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04292d8ce/814e1c685701437889953269bccace74 [2023-03-31 00:55:21,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:55:21,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:55:21,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:55:21,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:55:21,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:55:21,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:55:21" (1/1) ... [2023-03-31 00:55:21,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106c6143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:21, skipping insertion in model container [2023-03-31 00:55:21,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:55:21" (1/1) ... [2023-03-31 00:55:21,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:55:21,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:55:22,234 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product19.cil.c[39319,39332] [2023-03-31 00:55:22,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:55:22,292 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:55:22,335 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product19.cil.c[39319,39332] [2023-03-31 00:55:22,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:55:22,378 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:55:22,386 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:55:22,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22 WrapperNode [2023-03-31 00:55:22,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:55:22,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:55:22,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:55:22,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:55:22,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:55:22,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:55:22,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:55:22,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:55:22,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (1/1) ... [2023-03-31 00:55:22,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:55:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:55:22,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:55:22,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:55:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:55:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 00:55:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:55:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:55:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:55:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:55:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:55:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:55:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:55:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:55:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:55:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:55:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:55:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:55:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 00:55:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:55:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:55:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:55:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:55:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:55:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:55:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:55:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:55:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:55:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:55:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:55:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:55:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:55:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:55:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:55:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:55:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:55:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:55:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:55:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:55:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:55:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:55:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:55:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:55:22,942 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:55:22,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:55:23,784 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:55:23,803 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:55:23,803 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:55:23,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:55:23 BoogieIcfgContainer [2023-03-31 00:55:23,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:55:23,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:55:23,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:55:23,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:55:23,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:55:21" (1/3) ... [2023-03-31 00:55:23,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248b50f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:55:23, skipping insertion in model container [2023-03-31 00:55:23,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:22" (2/3) ... [2023-03-31 00:55:23,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248b50f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:55:23, skipping insertion in model container [2023-03-31 00:55:23,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:55:23" (3/3) ... [2023-03-31 00:55:23,834 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product19.cil.c [2023-03-31 00:55:23,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:55:23,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:55:23,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:55:23,909 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58ad5253, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:55:23,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:55:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 491 states, 314 states have (on average 1.410828025477707) internal successors, (443), 321 states have internal predecessors, (443), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-03-31 00:55:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-03-31 00:55:23,930 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:23,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:55:23,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:23,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:23,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1482213631, now seen corresponding path program 1 times [2023-03-31 00:55:23,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:23,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637136029] [2023-03-31 00:55:23,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:23,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:55:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:55:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:55:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:55:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:55:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:55:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:55:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:55:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:55:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 00:55:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 00:55:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-03-31 00:55:25,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:25,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637136029] [2023-03-31 00:55:25,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637136029] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:25,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:55:25,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 00:55:25,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480757903] [2023-03-31 00:55:25,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:25,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 00:55:25,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:25,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 00:55:25,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-03-31 00:55:25,219 INFO L87 Difference]: Start difference. First operand has 491 states, 314 states have (on average 1.410828025477707) internal successors, (443), 321 states have internal predecessors, (443), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (44), 12 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 00:55:34,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:34,332 INFO L93 Difference]: Finished difference Result 1464 states and 2425 transitions. [2023-03-31 00:55:34,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-03-31 00:55:34,334 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (44), 12 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 182 [2023-03-31 00:55:34,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:34,349 INFO L225 Difference]: With dead ends: 1464 [2023-03-31 00:55:34,349 INFO L226 Difference]: Without dead ends: 920 [2023-03-31 00:55:34,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2357 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2023-03-31 00:55:34,366 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3438 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 1993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1993 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-03-31 00:55:34,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3485 Valid, 192 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1993 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-03-31 00:55:34,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2023-03-31 00:55:34,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 468. [2023-03-31 00:55:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 303 states have (on average 1.4092409240924093) internal successors, (427), 307 states have internal predecessors, (427), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 00:55:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 616 transitions. [2023-03-31 00:55:34,623 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 616 transitions. Word has length 182 [2023-03-31 00:55:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:34,623 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 616 transitions. [2023-03-31 00:55:34,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (44), 12 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 00:55:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 616 transitions. [2023-03-31 00:55:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-03-31 00:55:34,627 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:34,627 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:55:34,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:55:34,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:34,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2073022264, now seen corresponding path program 1 times [2023-03-31 00:55:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:34,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491212540] [2023-03-31 00:55:34,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:34,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:55:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:55:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:55:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:55:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:55:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:55:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:55:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:55:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:55:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 00:55:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 00:55:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-03-31 00:55:35,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:35,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491212540] [2023-03-31 00:55:35,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491212540] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:55:35,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428955170] [2023-03-31 00:55:35,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:35,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:35,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:55:35,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:55:35,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:55:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:36,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:55:36,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:55:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-03-31 00:55:36,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:55:36,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428955170] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:36,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:55:36,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:55:36,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379111922] [2023-03-31 00:55:36,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:36,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:55:36,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:36,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:55:36,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:55:36,175 INFO L87 Difference]: Start difference. First operand 468 states and 616 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 00:55:36,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:36,583 INFO L93 Difference]: Finished difference Result 707 states and 912 transitions. [2023-03-31 00:55:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:55:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 183 [2023-03-31 00:55:36,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:36,588 INFO L225 Difference]: With dead ends: 707 [2023-03-31 00:55:36,589 INFO L226 Difference]: Without dead ends: 471 [2023-03-31 00:55:36,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:55:36,591 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 1 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:55:36,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1226 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:55:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-03-31 00:55:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 470. [2023-03-31 00:55:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 305 states have (on average 1.4065573770491804) internal successors, (429), 309 states have internal predecessors, (429), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 00:55:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 618 transitions. [2023-03-31 00:55:36,808 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 618 transitions. Word has length 183 [2023-03-31 00:55:36,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:36,808 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 618 transitions. [2023-03-31 00:55:36,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 00:55:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 618 transitions. [2023-03-31 00:55:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-03-31 00:55:36,811 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:36,811 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-03-31 00:55:36,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 00:55:37,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:37,018 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:37,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash -771930020, now seen corresponding path program 1 times [2023-03-31 00:55:37,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:37,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287177396] [2023-03-31 00:55:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:37,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:55:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 00:55:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 00:55:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:55:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:55:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:55:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:55:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 00:55:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 00:55:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 00:55:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 00:55:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:55:37,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:37,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287177396] [2023-03-31 00:55:37,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287177396] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:55:37,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709271795] [2023-03-31 00:55:37,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:37,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:37,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:55:37,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:55:37,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:55:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:38,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 2244 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:55:38,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:55:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-03-31 00:55:38,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:55:38,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709271795] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:38,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:55:38,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:55:38,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582185522] [2023-03-31 00:55:38,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:38,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:55:38,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:38,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:55:38,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:55:38,329 INFO L87 Difference]: Start difference. First operand 470 states and 618 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 00:55:38,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:38,550 INFO L93 Difference]: Finished difference Result 916 states and 1234 transitions. [2023-03-31 00:55:38,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:55:38,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 189 [2023-03-31 00:55:38,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:38,554 INFO L225 Difference]: With dead ends: 916 [2023-03-31 00:55:38,554 INFO L226 Difference]: Without dead ends: 511 [2023-03-31 00:55:38,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:55:38,557 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 52 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:55:38,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1234 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:55:38,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2023-03-31 00:55:38,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 510. [2023-03-31 00:55:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 337 states have (on average 1.4302670623145401) internal successors, (482), 341 states have internal predecessors, (482), 105 states have call successors, (105), 71 states have call predecessors, (105), 67 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-03-31 00:55:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 687 transitions. [2023-03-31 00:55:38,771 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 687 transitions. Word has length 189 [2023-03-31 00:55:38,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:38,771 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 687 transitions. [2023-03-31 00:55:38,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 00:55:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 687 transitions. [2023-03-31 00:55:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-03-31 00:55:38,773 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:38,774 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-03-31 00:55:38,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:55:38,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 00:55:38,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:38,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:38,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2139922347, now seen corresponding path program 1 times [2023-03-31 00:55:38,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:38,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693727976] [2023-03-31 00:55:38,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:38,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:55:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 00:55:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 00:55:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 00:55:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:55:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:55:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:55:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:55:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 00:55:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 00:55:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 00:55:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:55:39,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:39,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693727976] [2023-03-31 00:55:39,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693727976] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:55:39,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937751853] [2023-03-31 00:55:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:39,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:39,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:55:39,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:55:39,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:55:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:40,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:55:40,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:55:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-03-31 00:55:40,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:55:40,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937751853] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:40,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:55:40,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 00:55:40,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652825525] [2023-03-31 00:55:40,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:40,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:55:40,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:40,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:55:40,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:55:40,478 INFO L87 Difference]: Start difference. First operand 510 states and 687 transitions. Second operand has 9 states, 7 states have (on average 15.0) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-03-31 00:55:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:41,293 INFO L93 Difference]: Finished difference Result 998 states and 1354 transitions. [2023-03-31 00:55:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:55:41,294 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.0) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 190 [2023-03-31 00:55:41,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:41,296 INFO L225 Difference]: With dead ends: 998 [2023-03-31 00:55:41,296 INFO L226 Difference]: Without dead ends: 524 [2023-03-31 00:55:41,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-03-31 00:55:41,297 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 571 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 3367 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:55:41,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 3367 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:55:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2023-03-31 00:55:41,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2023-03-31 00:55:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 348 states have (on average 1.4339080459770115) internal successors, (499), 353 states have internal predecessors, (499), 105 states have call successors, (105), 73 states have call predecessors, (105), 70 states have return successors, (101), 100 states have call predecessors, (101), 100 states have call successors, (101) [2023-03-31 00:55:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 705 transitions. [2023-03-31 00:55:41,512 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 705 transitions. Word has length 190 [2023-03-31 00:55:41,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:41,513 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 705 transitions. [2023-03-31 00:55:41,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.0) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-03-31 00:55:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 705 transitions. [2023-03-31 00:55:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-03-31 00:55:41,515 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:41,515 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-03-31 00:55:41,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 00:55:41,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:41,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:41,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:41,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1767516213, now seen corresponding path program 1 times [2023-03-31 00:55:41,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:41,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657898912] [2023-03-31 00:55:41,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:41,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:55:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:55:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 00:55:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 00:55:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:55:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:55:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:55:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:55:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:55:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 00:55:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 00:55:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 00:55:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 00:55:42,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:42,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657898912] [2023-03-31 00:55:42,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657898912] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:55:42,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088516922] [2023-03-31 00:55:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:42,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:42,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:55:42,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:55:42,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:55:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:43,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 2250 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:55:43,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:55:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-03-31 00:55:43,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:55:43,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088516922] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:43,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:55:43,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 00:55:43,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215692917] [2023-03-31 00:55:43,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:43,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:55:43,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:43,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:55:43,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:55:43,371 INFO L87 Difference]: Start difference. First operand 524 states and 705 transitions. Second operand has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) [2023-03-31 00:55:43,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:43,971 INFO L93 Difference]: Finished difference Result 999 states and 1358 transitions. [2023-03-31 00:55:43,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:55:43,971 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) Word has length 191 [2023-03-31 00:55:43,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:43,973 INFO L225 Difference]: With dead ends: 999 [2023-03-31 00:55:43,973 INFO L226 Difference]: Without dead ends: 526 [2023-03-31 00:55:43,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-03-31 00:55:43,975 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 567 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2324 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:55:43,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2324 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 00:55:43,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-03-31 00:55:44,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2023-03-31 00:55:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 349 states have (on average 1.4326647564469914) internal successors, (500), 355 states have internal predecessors, (500), 105 states have call successors, (105), 73 states have call predecessors, (105), 71 states have return successors, (103), 100 states have call predecessors, (103), 100 states have call successors, (103) [2023-03-31 00:55:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 708 transitions. [2023-03-31 00:55:44,200 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 708 transitions. Word has length 191 [2023-03-31 00:55:44,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:44,200 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 708 transitions. [2023-03-31 00:55:44,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) [2023-03-31 00:55:44,200 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 708 transitions. [2023-03-31 00:55:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 00:55:44,202 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:44,202 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-03-31 00:55:44,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 00:55:44,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:44,410 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:44,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:44,410 INFO L85 PathProgramCache]: Analyzing trace with hash 207188305, now seen corresponding path program 1 times [2023-03-31 00:55:44,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:44,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124816069] [2023-03-31 00:55:44,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:44,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:55:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:55:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 00:55:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 00:55:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:55:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:55:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:55:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 00:55:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 00:55:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 00:55:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 00:55:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-03-31 00:55:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:55:45,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:45,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124816069] [2023-03-31 00:55:45,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124816069] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:45,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:55:45,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:55:45,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42353255] [2023-03-31 00:55:45,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:45,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:55:45,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:45,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:55:45,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:55:45,273 INFO L87 Difference]: Start difference. First operand 526 states and 708 transitions. Second operand has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-03-31 00:55:56,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:56,597 INFO L93 Difference]: Finished difference Result 1545 states and 2256 transitions. [2023-03-31 00:55:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-03-31 00:55:56,598 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 192 [2023-03-31 00:55:56,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:56,602 INFO L225 Difference]: With dead ends: 1545 [2023-03-31 00:55:56,602 INFO L226 Difference]: Without dead ends: 1078 [2023-03-31 00:55:56,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2023-03-31 00:55:56,604 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2756 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 7313 mSolverCounterSat, 1445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2759 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 8758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1445 IncrementalHoareTripleChecker+Valid, 7313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:55:56,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2759 Valid, 83 Invalid, 8758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1445 Valid, 7313 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-03-31 00:55:56,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2023-03-31 00:55:56,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 536. [2023-03-31 00:55:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 358 states have (on average 1.4301675977653632) internal successors, (512), 363 states have internal predecessors, (512), 105 states have call successors, (105), 75 states have call predecessors, (105), 72 states have return successors, (102), 100 states have call predecessors, (102), 100 states have call successors, (102) [2023-03-31 00:55:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 719 transitions. [2023-03-31 00:55:56,832 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 719 transitions. Word has length 192 [2023-03-31 00:55:56,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:56,832 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 719 transitions. [2023-03-31 00:55:56,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-03-31 00:55:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 719 transitions. [2023-03-31 00:55:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-03-31 00:55:56,834 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:56,834 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-03-31 00:55:56,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 00:55:56,834 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:56,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:56,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1853527829, now seen corresponding path program 2 times [2023-03-31 00:55:56,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:56,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523076873] [2023-03-31 00:55:56,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:56,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:55:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:55:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:55:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 00:55:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 00:55:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:55:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:55:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:55:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:55:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:55:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:55:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 00:55:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-03-31 00:55:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 00:55:57,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:57,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523076873] [2023-03-31 00:55:57,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523076873] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:57,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:55:57,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 00:55:57,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587557347] [2023-03-31 00:55:57,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:57,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 00:55:57,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:57,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 00:55:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:55:57,665 INFO L87 Difference]: Start difference. First operand 536 states and 719 transitions. Second operand has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-03-31 00:56:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:07,451 INFO L93 Difference]: Finished difference Result 1547 states and 2261 transitions. [2023-03-31 00:56:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-03-31 00:56:07,451 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 193 [2023-03-31 00:56:07,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:07,475 INFO L225 Difference]: With dead ends: 1547 [2023-03-31 00:56:07,475 INFO L226 Difference]: Without dead ends: 1091 [2023-03-31 00:56:07,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782 [2023-03-31 00:56:07,478 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4554 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 7965 mSolverCounterSat, 2620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4557 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 10585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2620 IncrementalHoareTripleChecker+Valid, 7965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:07,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4557 Valid, 88 Invalid, 10585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2620 Valid, 7965 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-03-31 00:56:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2023-03-31 00:56:07,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 541. [2023-03-31 00:56:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 360 states have (on average 1.4277777777777778) internal successors, (514), 366 states have internal predecessors, (514), 106 states have call successors, (106), 75 states have call predecessors, (106), 74 states have return successors, (105), 102 states have call predecessors, (105), 101 states have call successors, (105) [2023-03-31 00:56:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 725 transitions. [2023-03-31 00:56:07,797 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 725 transitions. Word has length 193 [2023-03-31 00:56:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:07,798 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 725 transitions. [2023-03-31 00:56:07,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-03-31 00:56:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 725 transitions. [2023-03-31 00:56:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-31 00:56:07,800 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:07,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-03-31 00:56:07,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 00:56:07,801 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:07,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash -591254391, now seen corresponding path program 3 times [2023-03-31 00:56:07,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:07,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487212799] [2023-03-31 00:56:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:07,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:56:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:56:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:56:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:56:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:56:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:56:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:56:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 00:56:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:56:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 00:56:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 00:56:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:08,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:08,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487212799] [2023-03-31 00:56:08,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487212799] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:08,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:08,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:56:08,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117958363] [2023-03-31 00:56:08,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:08,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:56:08,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:08,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:56:08,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:08,780 INFO L87 Difference]: Start difference. First operand 541 states and 725 transitions. Second operand has 19 states, 16 states have (on average 6.3125) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-03-31 00:56:16,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:16,698 INFO L93 Difference]: Finished difference Result 1543 states and 2252 transitions. [2023-03-31 00:56:16,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-03-31 00:56:16,698 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.3125) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 194 [2023-03-31 00:56:16,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:16,726 INFO L225 Difference]: With dead ends: 1543 [2023-03-31 00:56:16,726 INFO L226 Difference]: Without dead ends: 1080 [2023-03-31 00:56:16,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2023-03-31 00:56:16,729 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4882 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 6710 mSolverCounterSat, 2656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4885 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 9366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2656 IncrementalHoareTripleChecker+Valid, 6710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:16,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4885 Valid, 81 Invalid, 9366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2656 Valid, 6710 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-03-31 00:56:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-03-31 00:56:17,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 536. [2023-03-31 00:56:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 358 states have (on average 1.4273743016759777) internal successors, (511), 363 states have internal predecessors, (511), 105 states have call successors, (105), 75 states have call predecessors, (105), 72 states have return successors, (102), 100 states have call predecessors, (102), 100 states have call successors, (102) [2023-03-31 00:56:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 718 transitions. [2023-03-31 00:56:17,007 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 718 transitions. Word has length 194 [2023-03-31 00:56:17,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:17,007 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 718 transitions. [2023-03-31 00:56:17,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.3125) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-03-31 00:56:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 718 transitions. [2023-03-31 00:56:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-31 00:56:17,009 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:17,009 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-03-31 00:56:17,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 00:56:17,009 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:17,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:17,010 INFO L85 PathProgramCache]: Analyzing trace with hash 276299756, now seen corresponding path program 1 times [2023-03-31 00:56:17,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:17,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014277112] [2023-03-31 00:56:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:17,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:56:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:56:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:56:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:56:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:56:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:56:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:56:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 00:56:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:56:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 00:56:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 00:56:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:17,699 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 00:56:17,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:17,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014277112] [2023-03-31 00:56:17,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014277112] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:17,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:17,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 00:56:17,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642518139] [2023-03-31 00:56:17,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:17,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 00:56:17,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:17,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 00:56:17,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:56:17,701 INFO L87 Difference]: Start difference. First operand 536 states and 718 transitions. Second operand has 20 states, 17 states have (on average 6.176470588235294) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-03-31 00:56:27,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:27,006 INFO L93 Difference]: Finished difference Result 1538 states and 2242 transitions. [2023-03-31 00:56:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-03-31 00:56:27,006 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.176470588235294) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 194 [2023-03-31 00:56:27,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:27,010 INFO L225 Difference]: With dead ends: 1538 [2023-03-31 00:56:27,010 INFO L226 Difference]: Without dead ends: 1082 [2023-03-31 00:56:27,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=701, Invalid=2839, Unknown=0, NotChecked=0, Total=3540 [2023-03-31 00:56:27,014 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3410 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 7855 mSolverCounterSat, 1745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 9600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 7855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:27,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 88 Invalid, 9600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1745 Valid, 7855 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-03-31 00:56:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2023-03-31 00:56:27,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 541. [2023-03-31 00:56:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 360 states have (on average 1.425) internal successors, (513), 366 states have internal predecessors, (513), 106 states have call successors, (106), 75 states have call predecessors, (106), 74 states have return successors, (105), 102 states have call predecessors, (105), 101 states have call successors, (105) [2023-03-31 00:56:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 724 transitions. [2023-03-31 00:56:27,283 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 724 transitions. Word has length 194 [2023-03-31 00:56:27,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:27,284 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 724 transitions. [2023-03-31 00:56:27,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.176470588235294) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-03-31 00:56:27,284 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 724 transitions. [2023-03-31 00:56:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-31 00:56:27,286 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:27,286 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-03-31 00:56:27,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-31 00:56:27,286 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:27,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash -153358550, now seen corresponding path program 1 times [2023-03-31 00:56:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:27,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268889204] [2023-03-31 00:56:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:56:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:56:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:56:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:56:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:56:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:56:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:56:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 00:56:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:56:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 00:56:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 00:56:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 00:56:28,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:28,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268889204] [2023-03-31 00:56:28,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268889204] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:28,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:28,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 00:56:28,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102337381] [2023-03-31 00:56:28,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:28,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 00:56:28,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:28,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 00:56:28,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:56:28,024 INFO L87 Difference]: Start difference. First operand 541 states and 724 transitions. Second operand has 20 states, 17 states have (on average 6.176470588235294) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32)