/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_spec8_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:06:35,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:06:35,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:06:35,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:06:35,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:06:35,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:06:35,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:06:35,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:06:35,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:06:35,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:06:35,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:06:35,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:06:35,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:06:35,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:06:35,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:06:35,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:06:35,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:06:35,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:06:35,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:06:35,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:06:35,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:06:35,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:06:35,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:06:35,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:06:35,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:06:35,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:06:35,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:06:35,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:06:35,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:06:35,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:06:35,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:06:35,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:06:35,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:06:35,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:06:35,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:06:35,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:06:35,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:06:35,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:06:35,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:06:35,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:06:35,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:06:35,437 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 01:06:35,458 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:06:35,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:06:35,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:06:35,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:06:35,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:06:35,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:06:35,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:06:35,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:06:35,461 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:06:35,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:06:35,461 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:06:35,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:06:35,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:06:35,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:06:35,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:06:35,463 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:06:35,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:06:35,464 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:06:35,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:06:35,464 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:06:35,464 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:06:35,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:06:35,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:06:35,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:06:35,676 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:06:35,678 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:06:35,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product33.cil.c [2023-03-31 01:06:36,750 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:06:37,206 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:06:37,207 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product33.cil.c [2023-03-31 01:06:37,236 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9937d32d/44db0cb0ed7047b7b3cc33dc53bc8f7f/FLAG2f9a89853 [2023-03-31 01:06:37,270 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9937d32d/44db0cb0ed7047b7b3cc33dc53bc8f7f [2023-03-31 01:06:37,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:06:37,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:06:37,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:06:37,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:06:37,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:06:37,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:06:37" (1/1) ... [2023-03-31 01:06:37,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700cc0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:37, skipping insertion in model container [2023-03-31 01:06:37,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:06:37" (1/1) ... [2023-03-31 01:06:37,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:06:37,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:06:37,692 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_spec8_product33.cil.c[11621,11634] [2023-03-31 01:06:37,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:06:37,952 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:06:37,983 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_spec8_product33.cil.c[11621,11634] [2023-03-31 01:06:38,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:06:38,069 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:06:38,074 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:06:38,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38 WrapperNode [2023-03-31 01:06:38,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:06:38,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:06:38,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:06:38,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:06:38,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,174 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:06:38,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:06:38,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:06:38,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:06:38,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (1/1) ... [2023-03-31 01:06:38,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:06:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:38,249 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 01:06:38,255 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 01:06:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:06:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:06:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:06:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:06:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:06:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:06:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:06:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:06:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-03-31 01:06:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-03-31 01:06:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:06:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:06:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:06:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:06:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:06:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:06:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:06:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:06:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:06:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:06:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:06:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:06:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:06:38,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:06:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:06:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:06:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:06:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 01:06:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:06:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:06:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 01:06:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 01:06:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 01:06:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-03-31 01:06:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:06:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:06:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:06:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:06:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:06:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:06:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:06:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:06:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:06:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 01:06:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 01:06:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 01:06:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 01:06:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:06:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:06:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:06:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:06:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:06:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:06:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:06:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:06:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:06:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:06:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:06:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:06:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:06:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:06:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:06:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:06:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:06:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:06:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:06:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:06:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:06:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:06:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:06:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:06:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:06:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:06:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:06:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:06:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:06:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 01:06:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:06:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:06:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:06:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:06:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:06:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:06:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:06:38,662 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:06:38,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:06:39,575 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:06:39,592 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:06:39,592 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:06:39,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:06:39 BoogieIcfgContainer [2023-03-31 01:06:39,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:06:39,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:06:39,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:06:39,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:06:39,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:06:37" (1/3) ... [2023-03-31 01:06:39,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556edddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:06:39, skipping insertion in model container [2023-03-31 01:06:39,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:06:38" (2/3) ... [2023-03-31 01:06:39,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556edddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:06:39, skipping insertion in model container [2023-03-31 01:06:39,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:06:39" (3/3) ... [2023-03-31 01:06:39,602 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product33.cil.c [2023-03-31 01:06:39,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:06:39,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:06:39,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:06:39,667 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;@43d2ef44, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:06:39,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:06:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 594 states, 376 states have (on average 1.398936170212766) internal successors, (526), 386 states have internal predecessors, (526), 128 states have call successors, (128), 85 states have call predecessors, (128), 85 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-03-31 01:06:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-03-31 01:06:39,686 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:39,687 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:06:39,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:39,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:39,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1906918162, now seen corresponding path program 1 times [2023-03-31 01:06:39,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:39,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103222470] [2023-03-31 01:06:39,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:39,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:06:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:06:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:06:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 01:06:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:06:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:06:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:06:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:40,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:40,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103222470] [2023-03-31 01:06:40,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103222470] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:40,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:06:40,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 01:06:40,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325833804] [2023-03-31 01:06:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:40,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 01:06:40,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:41,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 01:06:41,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:06:41,033 INFO L87 Difference]: Start difference. First operand has 594 states, 376 states have (on average 1.398936170212766) internal successors, (526), 386 states have internal predecessors, (526), 128 states have call successors, (128), 85 states have call predecessors, (128), 85 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:49,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:49,749 INFO L93 Difference]: Finished difference Result 1421 states and 2093 transitions. [2023-03-31 01:06:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-31 01:06:49,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 158 [2023-03-31 01:06:49,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:49,793 INFO L225 Difference]: With dead ends: 1421 [2023-03-31 01:06:49,793 INFO L226 Difference]: Without dead ends: 933 [2023-03-31 01:06:49,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-03-31 01:06:49,800 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3065 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 2391 mSolverCounterSat, 1586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3110 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 3977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1586 IncrementalHoareTripleChecker+Valid, 2391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:06:49,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3110 Valid, 218 Invalid, 3977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1586 Valid, 2391 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-03-31 01:06:49,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2023-03-31 01:06:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 571. [2023-03-31 01:06:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 365 states have (on average 1.3972602739726028) internal successors, (510), 372 states have internal predecessors, (510), 124 states have call successors, (124), 85 states have call predecessors, (124), 81 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-03-31 01:06:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 753 transitions. [2023-03-31 01:06:50,150 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 753 transitions. Word has length 158 [2023-03-31 01:06:50,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:50,150 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 753 transitions. [2023-03-31 01:06:50,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 753 transitions. [2023-03-31 01:06:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-03-31 01:06:50,154 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:50,154 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:06:50,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:06:50,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:50,155 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1172646123, now seen corresponding path program 1 times [2023-03-31 01:06:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:50,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941285653] [2023-03-31 01:06:50,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:06:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:06:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:06:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:06:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:06:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:06:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:06:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:06:51,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:51,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941285653] [2023-03-31 01:06:51,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941285653] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:51,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149369247] [2023-03-31 01:06:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:51,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:51,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:51,325 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 01:06:51,328 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 01:06:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:06:51,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:51,782 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:51,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149369247] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:51,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:51,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:06:51,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216547672] [2023-03-31 01:06:51,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:51,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:51,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:51,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:51,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:51,785 INFO L87 Difference]: Start difference. First operand 571 states and 753 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:52,119 INFO L93 Difference]: Finished difference Result 902 states and 1172 transitions. [2023-03-31 01:06:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:52,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 159 [2023-03-31 01:06:52,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:52,126 INFO L225 Difference]: With dead ends: 902 [2023-03-31 01:06:52,126 INFO L226 Difference]: Without dead ends: 574 [2023-03-31 01:06:52,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:52,129 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 1 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1500 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 01:06:52,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:52,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-03-31 01:06:52,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 573. [2023-03-31 01:06:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 367 states have (on average 1.3950953678474114) internal successors, (512), 374 states have internal predecessors, (512), 124 states have call successors, (124), 85 states have call predecessors, (124), 81 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-03-31 01:06:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 755 transitions. [2023-03-31 01:06:52,460 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 755 transitions. Word has length 159 [2023-03-31 01:06:52,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:52,461 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 755 transitions. [2023-03-31 01:06:52,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 755 transitions. [2023-03-31 01:06:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-03-31 01:06:52,466 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:52,467 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:06:52,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:06:52,676 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 01:06:52,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:52,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash -492095703, now seen corresponding path program 1 times [2023-03-31 01:06:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:52,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614929611] [2023-03-31 01:06:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:52,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:06:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:06:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:06:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:06:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 01:06:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:06:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:06:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:53,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:53,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614929611] [2023-03-31 01:06:53,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614929611] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:53,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824241447] [2023-03-31 01:06:53,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:53,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:53,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:53,648 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 01:06:53,675 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 01:06:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:54,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:06:54,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:54,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:54,074 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:54,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824241447] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:54,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:54,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:06:54,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977462660] [2023-03-31 01:06:54,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:54,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:54,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:54,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:54,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:54,076 INFO L87 Difference]: Start difference. First operand 573 states and 755 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:54,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:54,400 INFO L93 Difference]: Finished difference Result 1124 states and 1511 transitions. [2023-03-31 01:06:54,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:54,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2023-03-31 01:06:54,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:54,403 INFO L225 Difference]: With dead ends: 1124 [2023-03-31 01:06:54,403 INFO L226 Difference]: Without dead ends: 616 [2023-03-31 01:06:54,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:54,405 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 53 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1506 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 01:06:54,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:54,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2023-03-31 01:06:54,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2023-03-31 01:06:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 400 states have (on average 1.415) internal successors, (566), 407 states have internal predecessors, (566), 133 states have call successors, (133), 85 states have call predecessors, (133), 81 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-03-31 01:06:54,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 827 transitions. [2023-03-31 01:06:54,681 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 827 transitions. Word has length 171 [2023-03-31 01:06:54,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:54,681 INFO L495 AbstractCegarLoop]: Abstraction has 615 states and 827 transitions. [2023-03-31 01:06:54,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 827 transitions. [2023-03-31 01:06:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-03-31 01:06:54,683 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:54,684 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:06:54,691 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 01:06:54,891 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 01:06:54,891 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:54,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash -2138893742, now seen corresponding path program 1 times [2023-03-31 01:06:54,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:54,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348833072] [2023-03-31 01:06:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:06:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:06:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:06:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:06:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:06:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:06:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:06:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:55,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:55,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348833072] [2023-03-31 01:06:55,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348833072] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:55,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318338494] [2023-03-31 01:06:55,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:55,782 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 01:06:55,784 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 01:06:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:56,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:06:56,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:56,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:56,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318338494] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:56,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:56,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:06:56,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369084994] [2023-03-31 01:06:56,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:56,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:56,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:56,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:56,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:56,270 INFO L87 Difference]: Start difference. First operand 615 states and 827 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, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:56,601 INFO L93 Difference]: Finished difference Result 1247 states and 1722 transitions. [2023-03-31 01:06:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:56,602 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, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 172 [2023-03-31 01:06:56,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:56,606 INFO L225 Difference]: With dead ends: 1247 [2023-03-31 01:06:56,606 INFO L226 Difference]: Without dead ends: 697 [2023-03-31 01:06:56,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:56,608 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 51 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1506 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 01:06:56,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:56,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2023-03-31 01:06:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 696. [2023-03-31 01:06:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 464 states have (on average 1.4439655172413792) internal successors, (670), 471 states have internal predecessors, (670), 150 states have call successors, (150), 85 states have call predecessors, (150), 81 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-03-31 01:06:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 965 transitions. [2023-03-31 01:06:56,946 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 965 transitions. Word has length 172 [2023-03-31 01:06:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:56,947 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 965 transitions. [2023-03-31 01:06:56,947 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, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 965 transitions. [2023-03-31 01:06:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-03-31 01:06:56,949 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:56,949 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:06:56,958 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 01:06:57,156 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 01:06:57,157 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:57,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:57,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1442631191, now seen corresponding path program 1 times [2023-03-31 01:06:57,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:57,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131386392] [2023-03-31 01:06:57,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:57,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:06:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 01:06:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:06:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:06:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:06:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:06:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:06:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:58,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131386392] [2023-03-31 01:06:58,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131386392] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699340211] [2023-03-31 01:06:58,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:58,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:58,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:58,088 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 01:06:58,089 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 01:06:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:58,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:06:58,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:58,536 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:58,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699340211] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:58,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:58,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:06:58,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881685605] [2023-03-31 01:06:58,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:58,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:58,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:58,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:58,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:58,537 INFO L87 Difference]: Start difference. First operand 696 states and 965 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:58,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:58,943 INFO L93 Difference]: Finished difference Result 1484 states and 2126 transitions. [2023-03-31 01:06:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:58,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 173 [2023-03-31 01:06:58,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:58,947 INFO L225 Difference]: With dead ends: 1484 [2023-03-31 01:06:58,947 INFO L226 Difference]: Without dead ends: 853 [2023-03-31 01:06:58,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:58,949 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 49 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1502 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 01:06:58,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1502 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:58,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-03-31 01:06:59,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2023-03-31 01:06:59,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 588 states have (on average 1.4795918367346939) internal successors, (870), 595 states have internal predecessors, (870), 182 states have call successors, (182), 85 states have call predecessors, (182), 81 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-03-31 01:06:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1229 transitions. [2023-03-31 01:06:59,346 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1229 transitions. Word has length 173 [2023-03-31 01:06:59,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:59,346 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1229 transitions. [2023-03-31 01:06:59,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 01:06:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1229 transitions. [2023-03-31 01:06:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-03-31 01:06:59,349 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:59,349 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 01:06:59,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-03-31 01:06:59,563 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 01:06:59,564 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:59,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:59,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1193236198, now seen corresponding path program 1 times [2023-03-31 01:06:59,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:59,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852666423] [2023-03-31 01:06:59,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:07:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 01:07:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 01:07:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:07:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:07:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:07:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:07:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:07:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 01:07:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:07:00,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:00,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852666423] [2023-03-31 01:07:00,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852666423] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:07:00,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995909830] [2023-03-31 01:07:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:00,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:00,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:07:00,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:07:00,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 01:07:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:00,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:07:00,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:07:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:07:01,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:07:01,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995909830] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:01,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:07:01,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 01:07:01,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060480572] [2023-03-31 01:07:01,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:01,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:07:01,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:01,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:07:01,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:07:01,094 INFO L87 Difference]: Start difference. First operand 852 states and 1229 transitions. Second operand has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-03-31 01:07:02,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:02,275 INFO L93 Difference]: Finished difference Result 1682 states and 2438 transitions. [2023-03-31 01:07:02,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:07:02,275 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 175 [2023-03-31 01:07:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:02,278 INFO L225 Difference]: With dead ends: 1682 [2023-03-31 01:07:02,279 INFO L226 Difference]: Without dead ends: 866 [2023-03-31 01:07:02,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-03-31 01:07:02,281 INFO L413 NwaCegarLoop]: 758 mSDtfsCounter, 709 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:02,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 3908 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:07:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-03-31 01:07:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2023-03-31 01:07:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 599 states have (on average 1.4808013355592655) internal successors, (887), 607 states have internal predecessors, (887), 182 states have call successors, (182), 87 states have call predecessors, (182), 84 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-03-31 01:07:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1247 transitions. [2023-03-31 01:07:02,728 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1247 transitions. Word has length 175 [2023-03-31 01:07:02,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:02,728 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1247 transitions. [2023-03-31 01:07:02,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-03-31 01:07:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1247 transitions. [2023-03-31 01:07:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-03-31 01:07:02,730 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:02,731 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:07:02,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-03-31 01:07:02,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:02,938 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:02,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:02,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1632629424, now seen corresponding path program 1 times [2023-03-31 01:07:02,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:02,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865934966] [2023-03-31 01:07:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:02,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:07:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 01:07:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:07:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:07:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:07:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:07:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:07:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:07:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 01:07:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:07:03,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:03,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865934966] [2023-03-31 01:07:03,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865934966] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:07:03,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045289646] [2023-03-31 01:07:03,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:03,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:07:03,887 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:07:03,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 01:07:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:04,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:07:04,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:07:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:07:04,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:07:04,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045289646] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:04,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:07:04,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 01:07:04,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837052441] [2023-03-31 01:07:04,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:04,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:07:04,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:04,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:07:04,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:07:04,443 INFO L87 Difference]: Start difference. First operand 866 states and 1247 transitions. Second operand has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-03-31 01:07:05,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:05,341 INFO L93 Difference]: Finished difference Result 1683 states and 2444 transitions. [2023-03-31 01:07:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:07:05,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 176 [2023-03-31 01:07:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:05,345 INFO L225 Difference]: With dead ends: 1683 [2023-03-31 01:07:05,345 INFO L226 Difference]: Without dead ends: 868 [2023-03-31 01:07:05,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-03-31 01:07:05,348 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 703 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:05,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2885 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:07:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2023-03-31 01:07:05,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2023-03-31 01:07:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 600 states have (on average 1.48) internal successors, (888), 609 states have internal predecessors, (888), 182 states have call successors, (182), 87 states have call predecessors, (182), 85 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-03-31 01:07:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1250 transitions. [2023-03-31 01:07:05,750 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1250 transitions. Word has length 176 [2023-03-31 01:07:05,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:05,750 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1250 transitions. [2023-03-31 01:07:05,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-03-31 01:07:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1250 transitions. [2023-03-31 01:07:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-03-31 01:07:05,753 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:05,753 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:07:05,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 01:07:05,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:05,960 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:05,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:05,961 INFO L85 PathProgramCache]: Analyzing trace with hash 409091104, now seen corresponding path program 1 times [2023-03-31 01:07:05,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:05,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918700734] [2023-03-31 01:07:05,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:05,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:07:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 01:07:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:07:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 01:07:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:07:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:07:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:07:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 01:07:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:07:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:07:06,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:06,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918700734] [2023-03-31 01:07:06,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918700734] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:06,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:07:06,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:07:06,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436924091] [2023-03-31 01:07:06,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:06,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:07:06,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:06,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:07:06,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:07:06,797 INFO L87 Difference]: Start difference. First operand 868 states and 1250 transitions. Second operand has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-03-31 01:07:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:18,579 INFO L93 Difference]: Finished difference Result 3267 states and 5413 transitions. [2023-03-31 01:07:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-03-31 01:07:18,579 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) Word has length 177 [2023-03-31 01:07:18,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:18,617 INFO L225 Difference]: With dead ends: 3267 [2023-03-31 01:07:18,617 INFO L226 Difference]: Without dead ends: 2458 [2023-03-31 01:07:18,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=588, Invalid=2168, Unknown=0, NotChecked=0, Total=2756 [2023-03-31 01:07:18,637 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4101 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7982 mSolverCounterSat, 2270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4104 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 10252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2270 IncrementalHoareTripleChecker+Valid, 7982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:18,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4104 Valid, 79 Invalid, 10252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2270 Valid, 7982 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-03-31 01:07:18,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2023-03-31 01:07:19,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 878. [2023-03-31 01:07:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.477832512315271) internal successors, (900), 617 states have internal predecessors, (900), 182 states have call successors, (182), 89 states have call predecessors, (182), 86 states have return successors, (179), 177 states have call predecessors, (179), 177 states have call successors, (179) [2023-03-31 01:07:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1261 transitions. [2023-03-31 01:07:19,220 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1261 transitions. Word has length 177 [2023-03-31 01:07:19,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:19,220 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1261 transitions. [2023-03-31 01:07:19,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-03-31 01:07:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1261 transitions. [2023-03-31 01:07:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-03-31 01:07:19,223 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:19,223 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:07:19,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 01:07:19,223 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:19,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:19,223 INFO L85 PathProgramCache]: Analyzing trace with hash 580485170, now seen corresponding path program 2 times [2023-03-31 01:07:19,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:19,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212539994] [2023-03-31 01:07:19,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:19,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:07:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:07:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 01:07:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:07:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:07:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:07:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:07:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 01:07:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 01:07:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:07:20,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:20,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212539994] [2023-03-31 01:07:20,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212539994] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:20,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:07:20,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 01:07:20,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476151637] [2023-03-31 01:07:20,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:20,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 01:07:20,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:20,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 01:07:20,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:07:20,284 INFO L87 Difference]: Start difference. First operand 878 states and 1261 transitions. Second operand has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-03-31 01:07:32,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:32,749 INFO L93 Difference]: Finished difference Result 3269 states and 5418 transitions. [2023-03-31 01:07:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-31 01:07:32,749 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 178 [2023-03-31 01:07:32,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:32,792 INFO L225 Difference]: With dead ends: 3269 [2023-03-31 01:07:32,792 INFO L226 Difference]: Without dead ends: 2471 [2023-03-31 01:07:32,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=620, Invalid=2460, Unknown=0, NotChecked=0, Total=3080 [2023-03-31 01:07:32,797 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3310 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9417 mSolverCounterSat, 1783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1783 IncrementalHoareTripleChecker+Valid, 9417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:32,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 92 Invalid, 11200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1783 Valid, 9417 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-03-31 01:07:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2023-03-31 01:07:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 883. [2023-03-31 01:07:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 611 states have (on average 1.4762684124386252) internal successors, (902), 620 states have internal predecessors, (902), 183 states have call successors, (183), 89 states have call predecessors, (183), 88 states have return successors, (182), 179 states have call predecessors, (182), 178 states have call successors, (182) [2023-03-31 01:07:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1267 transitions. [2023-03-31 01:07:33,380 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1267 transitions. Word has length 178 [2023-03-31 01:07:33,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:33,382 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1267 transitions. [2023-03-31 01:07:33,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-03-31 01:07:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1267 transitions. [2023-03-31 01:07:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-03-31 01:07:33,384 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:33,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:07:33,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-31 01:07:33,385 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:33,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:33,385 INFO L85 PathProgramCache]: Analyzing trace with hash 225965924, now seen corresponding path program 3 times [2023-03-31 01:07:33,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:33,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324546187] [2023-03-31 01:07:33,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:33,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:07:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:07:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-03-31 01:07:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:07:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:07:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:07:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:07:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 01:07:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:07:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 01:07:34,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:34,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324546187] [2023-03-31 01:07:34,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324546187] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:34,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:07:34,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:07:34,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506804773] [2023-03-31 01:07:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:34,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:07:34,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:34,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:07:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:07:34,174 INFO L87 Difference]: Start difference. First operand 883 states and 1267 transitions. Second operand has 19 states, 16 states have (on average 6.1875) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29)