/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_spec9_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:59:25,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:59:25,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:59:25,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:59:25,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:59:25,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:59:25,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:59:25,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:59:25,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:59:25,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:59:25,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:59:25,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:59:25,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:59:25,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:59:25,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:59:25,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:59:25,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:59:25,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:59:25,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:59:25,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:59:25,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:59:25,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:59:25,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:59:25,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:59:25,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:59:25,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:59:25,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:59:25,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:59:25,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:59:25,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:59:25,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:59:25,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:59:25,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:59:25,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:59:25,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:59:25,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:59:25,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:59:25,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:59:25,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:59:25,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:59:25,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:59:25,470 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 [2023-04-02 03:59:25,499 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:59:25,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:59:25,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:59:25,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:59:25,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:59:25,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:59:25,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:59:25,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:59:25,502 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:59:25,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:59:25,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:59:25,504 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:59:25,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:59:25,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:59:25,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:59:25,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:59:25,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:59:25,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:59:25,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:59:25,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:59:25,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:59:25,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:59:25,505 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:59:25,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:59:25,506 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:59:25,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:59:25,506 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:59:25,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:59:25,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:59:25,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:59:25,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:59:25,773 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:59:25,774 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:59:25,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2023-04-02 03:59:26,960 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:59:27,257 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:59:27,257 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2023-04-02 03:59:27,276 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a1bb7315/41b90d4d0467413799e07126b2483196/FLAG3e28e98ac [2023-04-02 03:59:27,291 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a1bb7315/41b90d4d0467413799e07126b2483196 [2023-04-02 03:59:27,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:59:27,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:59:27,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:59:27,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:59:27,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:59:27,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:59:27" (1/1) ... [2023-04-02 03:59:27,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f737c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:27, skipping insertion in model container [2023-04-02 03:59:27,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:59:27" (1/1) ... [2023-04-02 03:59:27,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:59:27,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:59:27,891 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_spec9_product20.cil.c[63436,63449] [2023-04-02 03:59:27,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:59:27,919 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:59:28,018 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_spec9_product20.cil.c[63436,63449] [2023-04-02 03:59:28,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:59:28,042 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:59:28,048 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:59:28,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28 WrapperNode [2023-04-02 03:59:28,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:59:28,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:59:28,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:59:28,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:59:28,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,149 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:59:28,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:59:28,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:59:28,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:59:28,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (1/1) ... [2023-04-02 03:59:28,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:59:28,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:28,246 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) [2023-04-02 03:59:28,273 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 [2023-04-02 03:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:59:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:59:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:59:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:59:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:59:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:59:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:59:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:59:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 03:59:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:59:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:59:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:59:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:59:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:59:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:59:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:59:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:59:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:59:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:59:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:59:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:59:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:59:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-02 03:59:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:59:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:59:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:59:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:59:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:59:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:59:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:59:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:59:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:59:28,614 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:59:28,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:59:29,879 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:59:29,895 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:59:29,895 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:59:29,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:59:29 BoogieIcfgContainer [2023-04-02 03:59:29,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:59:29,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:59:29,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:59:29,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:59:29,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:59:27" (1/3) ... [2023-04-02 03:59:29,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe936a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:59:29, skipping insertion in model container [2023-04-02 03:59:29,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:59:28" (2/3) ... [2023-04-02 03:59:29,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe936a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:59:29, skipping insertion in model container [2023-04-02 03:59:29,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:59:29" (3/3) ... [2023-04-02 03:59:29,916 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product20.cil.c [2023-04-02 03:59:29,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:59:29,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:59:29,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:59:30,005 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;@439e5cb1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:59:30,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:59:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 563 states, 368 states have (on average 1.4565217391304348) internal successors, (536), 376 states have internal predecessors, (536), 114 states have call successors, (114), 73 states have call predecessors, (114), 73 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-04-02 03:59:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-02 03:59:30,031 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:30,032 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] [2023-04-02 03:59:30,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:30,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:30,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1524388263, now seen corresponding path program 1 times [2023-04-02 03:59:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:30,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282109411] [2023-04-02 03:59:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:30,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:59:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:59:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:59:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:59:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 03:59:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:59:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:59:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:59:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:59:31,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:31,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282109411] [2023-04-02 03:59:31,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282109411] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:31,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:59:31,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:59:31,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268386079] [2023-04-02 03:59:31,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:31,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:59:31,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:31,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:59:31,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:59:31,626 INFO L87 Difference]: Start difference. First operand has 563 states, 368 states have (on average 1.4565217391304348) internal successors, (536), 376 states have internal predecessors, (536), 114 states have call successors, (114), 73 states have call predecessors, (114), 73 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:39,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:39,922 INFO L93 Difference]: Finished difference Result 1135 states and 1713 transitions. [2023-04-02 03:59:39,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 03:59:39,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 154 [2023-04-02 03:59:39,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:39,945 INFO L225 Difference]: With dead ends: 1135 [2023-04-02 03:59:39,945 INFO L226 Difference]: Without dead ends: 813 [2023-04-02 03:59:39,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:59:39,953 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1780 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1815 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:59:39,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1815 Valid, 73 Invalid, 2764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [815 Valid, 1949 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 03:59:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-04-02 03:59:40,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 510. [2023-04-02 03:59:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 339 states have (on average 1.4749262536873156) internal successors, (500), 344 states have internal predecessors, (500), 103 states have call successors, (103), 71 states have call predecessors, (103), 67 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-02 03:59:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 701 transitions. [2023-04-02 03:59:40,278 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 701 transitions. Word has length 154 [2023-04-02 03:59:40,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:40,279 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 701 transitions. [2023-04-02 03:59:40,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 701 transitions. [2023-04-02 03:59:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-02 03:59:40,284 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:40,285 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] [2023-04-02 03:59:40,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:59:40,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:40,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:40,286 INFO L85 PathProgramCache]: Analyzing trace with hash 340459288, now seen corresponding path program 1 times [2023-04-02 03:59:40,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:40,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995221716] [2023-04-02 03:59:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:40,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:59:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:59:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:59:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:59:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 03:59:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:59:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:59:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:59:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:59:41,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:41,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995221716] [2023-04-02 03:59:41,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995221716] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:59:41,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758432409] [2023-04-02 03:59:41,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:41,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:59:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:41,572 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) [2023-04-02 03:59:41,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 03:59:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:42,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:59:42,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:59:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:59:42,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:59:42,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758432409] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:42,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:59:42,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-04-02 03:59:42,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114184905] [2023-04-02 03:59:42,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:42,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:59:42,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:42,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:59:42,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:42,151 INFO L87 Difference]: Start difference. First operand 510 states and 701 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:42,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:42,477 INFO L93 Difference]: Finished difference Result 747 states and 1010 transitions. [2023-04-02 03:59:42,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:59:42,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 155 [2023-04-02 03:59:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:42,484 INFO L225 Difference]: With dead ends: 747 [2023-04-02 03:59:42,484 INFO L226 Difference]: Without dead ends: 513 [2023-04-02 03:59:42,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:42,493 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 1 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1396 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 [2023-04-02 03:59:42,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1396 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:59:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2023-04-02 03:59:42,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 512. [2023-04-02 03:59:42,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 341 states have (on average 1.4721407624633431) internal successors, (502), 346 states have internal predecessors, (502), 103 states have call successors, (103), 71 states have call predecessors, (103), 67 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-02 03:59:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 703 transitions. [2023-04-02 03:59:42,786 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 703 transitions. Word has length 155 [2023-04-02 03:59:42,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:42,787 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 703 transitions. [2023-04-02 03:59:42,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 703 transitions. [2023-04-02 03:59:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-02 03:59:42,790 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:42,790 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] [2023-04-02 03:59:42,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 03:59:43,000 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 [2023-04-02 03:59:43,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:43,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:43,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1568494152, now seen corresponding path program 1 times [2023-04-02 03:59:43,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:43,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551663897] [2023-04-02 03:59:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:43,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:59:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:59:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:59:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:59:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:59:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:59:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:59:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:59:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:59:44,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551663897] [2023-04-02 03:59:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551663897] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:59:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613229654] [2023-04-02 03:59:44,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:44,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:59:44,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:44,112 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) [2023-04-02 03:59:44,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 03:59:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:44,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 2317 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:59:44,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:59:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:59:44,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:59:44,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613229654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:44,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:59:44,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-04-02 03:59:44,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794124259] [2023-04-02 03:59:44,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:44,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:59:44,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:44,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:59:44,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:44,610 INFO L87 Difference]: Start difference. First operand 512 states and 703 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:44,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:44,942 INFO L93 Difference]: Finished difference Result 1002 states and 1407 transitions. [2023-04-02 03:59:44,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:59:44,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2023-04-02 03:59:44,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:44,946 INFO L225 Difference]: With dead ends: 1002 [2023-04-02 03:59:44,946 INFO L226 Difference]: Without dead ends: 555 [2023-04-02 03:59:44,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:44,949 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 53 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1406 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 [2023-04-02 03:59:44,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1406 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:59:44,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2023-04-02 03:59:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 554. [2023-04-02 03:59:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 374 states have (on average 1.4866310160427807) internal successors, (556), 379 states have internal predecessors, (556), 112 states have call successors, (112), 71 states have call predecessors, (112), 67 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-02 03:59:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 775 transitions. [2023-04-02 03:59:45,256 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 775 transitions. Word has length 165 [2023-04-02 03:59:45,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:45,257 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 775 transitions. [2023-04-02 03:59:45,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 775 transitions. [2023-04-02 03:59:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-02 03:59:45,260 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:45,260 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] [2023-04-02 03:59:45,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 03:59:45,469 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 [2023-04-02 03:59:45,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:45,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash 229450485, now seen corresponding path program 1 times [2023-04-02 03:59:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:45,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542976672] [2023-04-02 03:59:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:59:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:59:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:59:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:59:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:59:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:59:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:59:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:59:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:59:46,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:46,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542976672] [2023-04-02 03:59:46,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542976672] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:59:46,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600205606] [2023-04-02 03:59:46,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:46,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:59:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:46,613 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) [2023-04-02 03:59:46,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 03:59:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:47,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 2322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:59:47,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:59:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:59:47,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:59:47,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600205606] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:47,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:59:47,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-04-02 03:59:47,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513886323] [2023-04-02 03:59:47,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:47,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:59:47,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:59:47,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:47,146 INFO L87 Difference]: Start difference. First operand 554 states and 775 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:47,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:47,527 INFO L93 Difference]: Finished difference Result 1125 states and 1618 transitions. [2023-04-02 03:59:47,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:59:47,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2023-04-02 03:59:47,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:47,532 INFO L225 Difference]: With dead ends: 1125 [2023-04-02 03:59:47,532 INFO L226 Difference]: Without dead ends: 636 [2023-04-02 03:59:47,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:47,534 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 51 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1406 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 [2023-04-02 03:59:47,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1406 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:59:47,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2023-04-02 03:59:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 635. [2023-04-02 03:59:47,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 438 states have (on average 1.5068493150684932) internal successors, (660), 443 states have internal predecessors, (660), 129 states have call successors, (129), 71 states have call predecessors, (129), 67 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2023-04-02 03:59:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 913 transitions. [2023-04-02 03:59:47,823 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 913 transitions. Word has length 166 [2023-04-02 03:59:47,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:47,824 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 913 transitions. [2023-04-02 03:59:47,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 913 transitions. [2023-04-02 03:59:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-04-02 03:59:47,827 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:47,828 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] [2023-04-02 03:59:47,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-02 03:59:48,036 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 [2023-04-02 03:59:48,036 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:48,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1076054648, now seen corresponding path program 1 times [2023-04-02 03:59:48,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:48,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914070128] [2023-04-02 03:59:48,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:59:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:59:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:59:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:59:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:59:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:59:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:59:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:59:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:59:49,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:49,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914070128] [2023-04-02 03:59:49,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914070128] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:59:49,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672294691] [2023-04-02 03:59:49,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:49,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:59:49,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:49,083 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) [2023-04-02 03:59:49,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 03:59:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:49,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:59:49,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:59:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:59:49,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:59:49,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672294691] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:49,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:59:49,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-04-02 03:59:49,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584849718] [2023-04-02 03:59:49,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:49,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:59:49,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:49,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:59:49,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:49,604 INFO L87 Difference]: Start difference. First operand 635 states and 913 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:50,043 INFO L93 Difference]: Finished difference Result 1362 states and 2022 transitions. [2023-04-02 03:59:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:59:50,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 167 [2023-04-02 03:59:50,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:50,048 INFO L225 Difference]: With dead ends: 1362 [2023-04-02 03:59:50,048 INFO L226 Difference]: Without dead ends: 792 [2023-04-02 03:59:50,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:50,051 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 49 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1398 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 [2023-04-02 03:59:50,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1398 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:59:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-04-02 03:59:50,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 791. [2023-04-02 03:59:50,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 562 states have (on average 1.5302491103202847) internal successors, (860), 567 states have internal predecessors, (860), 161 states have call successors, (161), 71 states have call predecessors, (161), 67 states have return successors, (156), 155 states have call predecessors, (156), 156 states have call successors, (156) [2023-04-02 03:59:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1177 transitions. [2023-04-02 03:59:50,401 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1177 transitions. Word has length 167 [2023-04-02 03:59:50,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:50,402 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1177 transitions. [2023-04-02 03:59:50,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1177 transitions. [2023-04-02 03:59:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-02 03:59:50,406 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:50,406 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] [2023-04-02 03:59:50,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 03:59:50,615 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 [2023-04-02 03:59:50,615 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:50,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:50,616 INFO L85 PathProgramCache]: Analyzing trace with hash 344585141, now seen corresponding path program 1 times [2023-04-02 03:59:50,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:50,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441053575] [2023-04-02 03:59:50,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:50,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:59:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:59:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:59:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:59:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:59:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:59:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:59:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:59:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:59:51,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:51,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441053575] [2023-04-02 03:59:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441053575] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:59:51,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215063242] [2023-04-02 03:59:51,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:51,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:59:51,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:51,533 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) [2023-04-02 03:59:51,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 03:59:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:52,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:59:52,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:59:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:59:52,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:59:52,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215063242] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:52,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:59:52,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-04-02 03:59:52,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396331484] [2023-04-02 03:59:52,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:52,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:59:52,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:52,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:59:52,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:52,062 INFO L87 Difference]: Start difference. First operand 791 states and 1177 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:52,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:52,739 INFO L93 Difference]: Finished difference Result 1818 states and 2794 transitions. [2023-04-02 03:59:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:59:52,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2023-04-02 03:59:52,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:52,744 INFO L225 Difference]: With dead ends: 1818 [2023-04-02 03:59:52,745 INFO L226 Difference]: Without dead ends: 1092 [2023-04-02 03:59:52,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:59:52,747 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 47 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1394 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 [2023-04-02 03:59:52,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1394 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:59:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2023-04-02 03:59:53,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1091. [2023-04-02 03:59:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 802 states have (on average 1.5511221945137157) internal successors, (1244), 807 states have internal predecessors, (1244), 221 states have call successors, (221), 71 states have call predecessors, (221), 67 states have return successors, (216), 215 states have call predecessors, (216), 216 states have call successors, (216) [2023-04-02 03:59:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1681 transitions. [2023-04-02 03:59:53,443 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1681 transitions. Word has length 168 [2023-04-02 03:59:53,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:53,444 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1681 transitions. [2023-04-02 03:59:53,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 03:59:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1681 transitions. [2023-04-02 03:59:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-02 03:59:53,449 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:53,449 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] [2023-04-02 03:59:53,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 03:59:53,658 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 [2023-04-02 03:59:53,659 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:53,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2037584478, now seen corresponding path program 1 times [2023-04-02 03:59:53,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:53,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85341719] [2023-04-02 03:59:53,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:53,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:59:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 03:59:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 03:59:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 03:59:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:59:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:59:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:59:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:59:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:59:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 03:59:54,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:54,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85341719] [2023-04-02 03:59:54,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85341719] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:59:54,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706316981] [2023-04-02 03:59:54,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:54,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:59:54,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:54,601 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) [2023-04-02 03:59:54,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 03:59:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:55,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:59:55,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:59:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 03:59:55,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:59:55,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706316981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:55,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:59:55,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-04-02 03:59:55,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418432695] [2023-04-02 03:59:55,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:55,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:59:55,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:55,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:59:55,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:59:55,236 INFO L87 Difference]: Start difference. First operand 1091 states and 1681 transitions. Second operand has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:59:56,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:59:56,706 INFO L93 Difference]: Finished difference Result 2160 states and 3342 transitions. [2023-04-02 03:59:56,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:59:56,706 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 171 [2023-04-02 03:59:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:59:56,711 INFO L225 Difference]: With dead ends: 2160 [2023-04-02 03:59:56,712 INFO L226 Difference]: Without dead ends: 1105 [2023-04-02 03:59:56,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:59:56,715 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 664 mSDsluCounter, 3004 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 3710 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:59:56,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 3710 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 03:59:56,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2023-04-02 03:59:57,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2023-04-02 03:59:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 813 states have (on average 1.5510455104551046) internal successors, (1261), 819 states have internal predecessors, (1261), 221 states have call successors, (221), 73 states have call predecessors, (221), 70 states have return successors, (217), 215 states have call predecessors, (217), 216 states have call successors, (217) [2023-04-02 03:59:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1699 transitions. [2023-04-02 03:59:57,454 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1699 transitions. Word has length 171 [2023-04-02 03:59:57,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:59:57,454 INFO L495 AbstractCegarLoop]: Abstraction has 1105 states and 1699 transitions. [2023-04-02 03:59:57,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:59:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1699 transitions. [2023-04-02 03:59:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-02 03:59:57,459 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:59:57,459 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] [2023-04-02 03:59:57,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-02 03:59:57,668 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 [2023-04-02 03:59:57,668 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:59:57,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:59:57,669 INFO L85 PathProgramCache]: Analyzing trace with hash -312385771, now seen corresponding path program 1 times [2023-04-02 03:59:57,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:59:57,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757965607] [2023-04-02 03:59:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:57,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:59:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:59:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:59:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:59:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:59:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:59:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:59:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:59:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 03:59:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:59:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:59:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:59:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:59:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:59:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:59:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:59:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:59:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:59:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:59:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:59:58,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:59:58,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757965607] [2023-04-02 03:59:58,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757965607] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:59:58,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706028470] [2023-04-02 03:59:58,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:59:58,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:59:58,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:59:58,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:59:58,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 03:59:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:59:59,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:59:59,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:59:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 03:59:59,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:59:59,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706028470] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:59:59,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:59:59,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-04-02 03:59:59,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804816841] [2023-04-02 03:59:59,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:59:59,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:59:59,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:59:59,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:59:59,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:59:59,126 INFO L87 Difference]: Start difference. First operand 1105 states and 1699 transitions. Second operand has 7 states, 6 states have (on average 17.0) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 04:00:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:00:00,227 INFO L93 Difference]: Finished difference Result 2161 states and 3352 transitions. [2023-04-02 04:00:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:00:00,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 172 [2023-04-02 04:00:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:00:00,233 INFO L225 Difference]: With dead ends: 2161 [2023-04-02 04:00:00,233 INFO L226 Difference]: Without dead ends: 1107 [2023-04-02 04:00:00,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:00:00,237 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 652 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 2746 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:00:00,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 2746 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:00:00,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2023-04-02 04:00:00,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1107. [2023-04-02 04:00:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 814 states have (on average 1.5503685503685503) internal successors, (1262), 821 states have internal predecessors, (1262), 221 states have call successors, (221), 73 states have call predecessors, (221), 71 states have return successors, (219), 215 states have call predecessors, (219), 216 states have call successors, (219) [2023-04-02 04:00:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1702 transitions. [2023-04-02 04:00:00,964 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1702 transitions. Word has length 172 [2023-04-02 04:00:00,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:00:00,964 INFO L495 AbstractCegarLoop]: Abstraction has 1107 states and 1702 transitions. [2023-04-02 04:00:00,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 04:00:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1702 transitions. [2023-04-02 04:00:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-02 04:00:00,969 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:00:00,969 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] [2023-04-02 04:00:00,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 04:00:01,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:00:01,179 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:00:01,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:00:01,179 INFO L85 PathProgramCache]: Analyzing trace with hash -302443276, now seen corresponding path program 1 times [2023-04-02 04:00:01,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:00:01,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426440301] [2023-04-02 04:00:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:00:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:00:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:00:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:00:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:00:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:00:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 04:00:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 04:00:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 04:00:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:00:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 04:00:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:00:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 04:00:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:00:02,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:00:02,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426440301] [2023-04-02 04:00:02,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426440301] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:00:02,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:00:02,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 04:00:02,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493886616] [2023-04-02 04:00:02,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:00:02,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:00:02,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:00:02,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:00:02,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:00:02,091 INFO L87 Difference]: Start difference. First operand 1107 states and 1702 transitions. Second operand has 18 states, 15 states have (on average 6.4) internal successors, (96), 9 states have internal predecessors, (96), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-02 04:00:16,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:00:16,015 INFO L93 Difference]: Finished difference Result 4886 states and 8570 transitions. [2023-04-02 04:00:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-02 04:00:16,016 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.4) internal successors, (96), 9 states have internal predecessors, (96), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) Word has length 173 [2023-04-02 04:00:16,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:00:16,039 INFO L225 Difference]: With dead ends: 4886 [2023-04-02 04:00:16,039 INFO L226 Difference]: Without dead ends: 3838 [2023-04-02 04:00:16,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=488, Invalid=1768, Unknown=0, NotChecked=0, Total=2256 [2023-04-02 04:00:16,045 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2292 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8355 mSolverCounterSat, 1097 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 9452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1097 IncrementalHoareTripleChecker+Valid, 8355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:00:16,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 81 Invalid, 9452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1097 Valid, 8355 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-02 04:00:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2023-04-02 04:00:16,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 1117. [2023-04-02 04:00:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 823 states have (on average 1.5479951397326852) internal successors, (1274), 829 states have internal predecessors, (1274), 221 states have call successors, (221), 75 states have call predecessors, (221), 72 states have return successors, (218), 215 states have call predecessors, (218), 216 states have call successors, (218) [2023-04-02 04:00:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1713 transitions. [2023-04-02 04:00:16,875 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1713 transitions. Word has length 173 [2023-04-02 04:00:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:00:16,876 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1713 transitions. [2023-04-02 04:00:16,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.4) internal successors, (96), 9 states have internal predecessors, (96), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-02 04:00:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1713 transitions. [2023-04-02 04:00:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-02 04:00:16,881 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:00:16,881 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] [2023-04-02 04:00:16,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 04:00:16,881 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:00:16,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:00:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1325206781, now seen corresponding path program 2 times [2023-04-02 04:00:16,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:00:16,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005563693] [2023-04-02 04:00:16,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:16,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:00:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:00:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:00:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:00:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:00:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:00:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 04:00:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:00:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 04:00:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:00:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 04:00:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:00:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 04:00:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:00:17,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:00:17,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005563693] [2023-04-02 04:00:17,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005563693] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:00:17,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:00:17,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:00:17,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151540481] [2023-04-02 04:00:17,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:00:17,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:00:17,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:00:17,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:00:17,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:00:17,831 INFO L87 Difference]: Start difference. First operand 1117 states and 1713 transitions. Second operand has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:00:32,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:00:32,093 INFO L93 Difference]: Finished difference Result 4888 states and 8575 transitions. [2023-04-02 04:00:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 04:00:32,094 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 174 [2023-04-02 04:00:32,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:00:32,115 INFO L225 Difference]: With dead ends: 4888 [2023-04-02 04:00:32,115 INFO L226 Difference]: Without dead ends: 3851 [2023-04-02 04:00:32,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=518, Invalid=2032, Unknown=0, NotChecked=0, Total=2550 [2023-04-02 04:00:32,120 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2873 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9222 mSolverCounterSat, 1322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2876 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 10544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1322 IncrementalHoareTripleChecker+Valid, 9222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:00:32,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2876 Valid, 88 Invalid, 10544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1322 Valid, 9222 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-04-02 04:00:32,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2023-04-02 04:00:32,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 1122. [2023-04-02 04:00:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 825 states have (on average 1.5466666666666666) internal successors, (1276), 832 states have internal predecessors, (1276), 222 states have call successors, (222), 75 states have call predecessors, (222), 74 states have return successors, (221), 217 states have call predecessors, (221), 217 states have call successors, (221) [2023-04-02 04:00:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1719 transitions. [2023-04-02 04:00:32,983 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1719 transitions. Word has length 174 [2023-04-02 04:00:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:00:32,984 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1719 transitions. [2023-04-02 04:00:32,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:00:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1719 transitions. [2023-04-02 04:00:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-02 04:00:32,988 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:00:32,988 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] [2023-04-02 04:00:32,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 04:00:32,988 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:00:32,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:00:32,989 INFO L85 PathProgramCache]: Analyzing trace with hash -40687700, now seen corresponding path program 3 times [2023-04-02 04:00:32,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:00:32,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019836810] [2023-04-02 04:00:32,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:00:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:00:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:00:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:00:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:00:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:00:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 04:00:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:00:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 04:00:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:00:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:00:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:00:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 04:00:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-02 04:00:33,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:00:33,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019836810] [2023-04-02 04:00:33,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019836810] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:00:33,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:00:33,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 04:00:33,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129203763] [2023-04-02 04:00:33,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:00:33,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:00:33,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:00:33,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:00:33,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:00:33,894 INFO L87 Difference]: Start difference. First operand 1122 states and 1719 transitions. Second operand has 18 states, 15 states have (on average 6.466666666666667) internal successors, (97), 9 states have internal predecessors, (97), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-02 04:00:47,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:00:47,165 INFO L93 Difference]: Finished difference Result 4884 states and 8566 transitions. [2023-04-02 04:00:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-02 04:00:47,166 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.466666666666667) internal successors, (97), 9 states have internal predecessors, (97), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) Word has length 175 [2023-04-02 04:00:47,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:00:47,187 INFO L225 Difference]: With dead ends: 4884 [2023-04-02 04:00:47,187 INFO L226 Difference]: Without dead ends: 3840 [2023-04-02 04:00:47,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=488, Invalid=1768, Unknown=0, NotChecked=0, Total=2256 [2023-04-02 04:00:47,193 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4285 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 7791 mSolverCounterSat, 1998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4288 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 9789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1998 IncrementalHoareTripleChecker+Valid, 7791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:00:47,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4288 Valid, 77 Invalid, 9789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1998 Valid, 7791 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-04-02 04:00:47,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2023-04-02 04:00:47,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 1117. [2023-04-02 04:00:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 823 states have (on average 1.5467800729040098) internal successors, (1273), 829 states have internal predecessors, (1273), 221 states have call successors, (221), 75 states have call predecessors, (221), 72 states have return successors, (218), 215 states have call predecessors, (218), 216 states have call successors, (218) [2023-04-02 04:00:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1712 transitions. [2023-04-02 04:00:47,957 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1712 transitions. Word has length 175 [2023-04-02 04:00:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:00:47,957 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1712 transitions. [2023-04-02 04:00:47,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.466666666666667) internal successors, (97), 9 states have internal predecessors, (97), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-02 04:00:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1712 transitions. [2023-04-02 04:00:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-02 04:00:47,961 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:00:47,961 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] [2023-04-02 04:00:47,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 04:00:47,961 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:00:47,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:00:47,962 INFO L85 PathProgramCache]: Analyzing trace with hash -811309733, now seen corresponding path program 1 times [2023-04-02 04:00:47,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:00:47,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410711561] [2023-04-02 04:00:47,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:00:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:00:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:00:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:00:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:00:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:00:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:00:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:00:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:00:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:00:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:00:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 04:00:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:00:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:00:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:00:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 04:00:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:00:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:00:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:00:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 04:00:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:00:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:00:48,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:00:48,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410711561] [2023-04-02 04:00:48,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410711561] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:00:48,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:00:48,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:00:48,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512434158] [2023-04-02 04:00:48,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:00:48,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:00:48,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:00:48,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:00:48,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:00:48,841 INFO L87 Difference]: Start difference. First operand 1117 states and 1712 transitions. Second operand has 19 states, 16 states have (on average 6.3125) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:01:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:01:04,755 INFO L93 Difference]: Finished difference Result 4877 states and 8554 transitions. [2023-04-02 04:01:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-02 04:01:04,756 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.3125) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 175 [2023-04-02 04:01:04,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:01:04,774 INFO L225 Difference]: With dead ends: 4877 [2023-04-02 04:01:04,774 INFO L226 Difference]: Without dead ends: 3840 [2023-04-02 04:01:04,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=619, Invalid=2243, Unknown=0, NotChecked=0, Total=2862 [2023-04-02 04:01:04,779 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4384 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8993 mSolverCounterSat, 1975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4387 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1975 IncrementalHoareTripleChecker+Valid, 8993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:01:04,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4387 Valid, 90 Invalid, 10968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1975 Valid, 8993 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-04-02 04:01:04,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2023-04-02 04:01:05,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 1117. [2023-04-02 04:01:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 823 states have (on average 1.5467800729040098) internal successors, (1273), 829 states have internal predecessors, (1273), 221 states have call successors, (221), 75 states have call predecessors, (221), 72 states have return successors, (217), 215 states have call predecessors, (217), 216 states have call successors, (217) [2023-04-02 04:01:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1711 transitions. [2023-04-02 04:01:05,585 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1711 transitions. Word has length 175 [2023-04-02 04:01:05,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:01:05,585 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1711 transitions. [2023-04-02 04:01:05,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.3125) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:01:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1711 transitions. [2023-04-02 04:01:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-02 04:01:05,589 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:01:05,589 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] [2023-04-02 04:01:05,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 04:01:05,590 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:01:05,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:01:05,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1848190194, now seen corresponding path program 2 times [2023-04-02 04:01:05,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:01:05,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956610534] [2023-04-02 04:01:05,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:01:05,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:01:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:01:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:01:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:01:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:01:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:01:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:01:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:01:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 04:01:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:01:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 04:01:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:01:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 04:01:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 04:01:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 04:01:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 04:01:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 04:01:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:01:06,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:01:06,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956610534] [2023-04-02 04:01:06,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956610534] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:01:06,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:01:06,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:01:06,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194648826] [2023-04-02 04:01:06,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:01:06,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:01:06,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:01:06,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:01:06,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:01:06,447 INFO L87 Difference]: Start difference. First operand 1117 states and 1711 transitions. Second operand has 19 states, 16 states have (on average 6.375) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:01:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:01:22,811 INFO L93 Difference]: Finished difference Result 4883 states and 8562 transitions. [2023-04-02 04:01:22,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-02 04:01:22,812 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.375) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 176 [2023-04-02 04:01:22,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:01:22,843 INFO L225 Difference]: With dead ends: 4883 [2023-04-02 04:01:22,843 INFO L226 Difference]: Without dead ends: 3846 [2023-04-02 04:01:22,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=619, Invalid=2243, Unknown=0, NotChecked=0, Total=2862 [2023-04-02 04:01:22,849 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3058 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9283 mSolverCounterSat, 1407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1407 IncrementalHoareTripleChecker+Valid, 9283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:01:22,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 90 Invalid, 10690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1407 Valid, 9283 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 04:01:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2023-04-02 04:01:23,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 1119. [2023-04-02 04:01:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 824 states have (on average 1.546116504854369) internal successors, (1274), 831 states have internal predecessors, (1274), 221 states have call successors, (221), 75 states have call predecessors, (221), 73 states have return successors, (219), 215 states have call predecessors, (219), 216 states have call successors, (219) [2023-04-02 04:01:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1714 transitions. [2023-04-02 04:01:23,699 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1714 transitions. Word has length 176 [2023-04-02 04:01:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:01:23,699 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1714 transitions. [2023-04-02 04:01:23,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.375) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:01:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1714 transitions. [2023-04-02 04:01:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 04:01:23,703 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:01:23,703 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] [2023-04-02 04:01:23,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 04:01:23,704 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:01:23,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:01:23,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1330455146, now seen corresponding path program 1 times [2023-04-02 04:01:23,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:01:23,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230780080] [2023-04-02 04:01:23,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:01:23,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:01:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:01:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:01:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:01:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:01:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:01:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:01:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:01:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:01:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:01:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:01:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:01:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 04:01:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 04:01:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 04:01:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 04:01:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:01:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:01:24,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:01:24,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230780080] [2023-04-02 04:01:24,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230780080] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:01:24,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:01:24,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:01:24,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024737098] [2023-04-02 04:01:24,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:01:24,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:01:24,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:01:24,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:01:24,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:01:24,640 INFO L87 Difference]: Start difference. First operand 1119 states and 1714 transitions. Second operand has 19 states, 16 states have (on average 6.4375) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:01:41,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:01:41,122 INFO L93 Difference]: Finished difference Result 4883 states and 8558 transitions. [2023-04-02 04:01:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 04:01:41,122 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.4375) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 177 [2023-04-02 04:01:41,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:01:41,137 INFO L225 Difference]: With dead ends: 4883 [2023-04-02 04:01:41,138 INFO L226 Difference]: Without dead ends: 3844 [2023-04-02 04:01:41,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=576, Invalid=1974, Unknown=0, NotChecked=0, Total=2550 [2023-04-02 04:01:41,143 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4657 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 8812 mSolverCounterSat, 2200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4660 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 11012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2200 IncrementalHoareTripleChecker+Valid, 8812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:01:41,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4660 Valid, 86 Invalid, 11012 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2200 Valid, 8812 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-04-02 04:01:41,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3844 states. [2023-04-02 04:01:42,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3844 to 1126. [2023-04-02 04:01:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 827 states have (on average 1.544135429262394) internal successors, (1277), 836 states have internal predecessors, (1277), 222 states have call successors, (222), 75 states have call predecessors, (222), 76 states have return successors, (225), 217 states have call predecessors, (225), 217 states have call successors, (225) [2023-04-02 04:01:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1724 transitions. [2023-04-02 04:01:42,296 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1724 transitions. Word has length 177 [2023-04-02 04:01:42,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:01:42,296 INFO L495 AbstractCegarLoop]: Abstraction has 1126 states and 1724 transitions. [2023-04-02 04:01:42,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.4375) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:01:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1724 transitions. [2023-04-02 04:01:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 04:01:42,300 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:01:42,300 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] [2023-04-02 04:01:42,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 04:01:42,301 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:01:42,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:01:42,301 INFO L85 PathProgramCache]: Analyzing trace with hash 567041620, now seen corresponding path program 1 times [2023-04-02 04:01:42,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:01:42,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951388900] [2023-04-02 04:01:42,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:01:42,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:01:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:01:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:01:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:01:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:01:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:01:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:01:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:01:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:01:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:01:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:01:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:01:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:01:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:01:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:01:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 04:01:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 04:01:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 04:01:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 04:01:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:01:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:01:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-02 04:01:43,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:01:43,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951388900] [2023-04-02 04:01:43,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951388900] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:01:43,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:01:43,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 04:01:43,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337550238] [2023-04-02 04:01:43,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:01:43,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:01:43,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:01:43,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:01:43,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:01:43,212 INFO L87 Difference]: Start difference. First operand 1126 states and 1724 transitions. Second operand has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-02 04:01:59,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:01:59,781 INFO L93 Difference]: Finished difference Result 4871 states and 8541 transitions. [2023-04-02 04:01:59,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-02 04:01:59,782 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) Word has length 177 [2023-04-02 04:01:59,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:01:59,792 INFO L225 Difference]: With dead ends: 4871 [2023-04-02 04:01:59,792 INFO L226 Difference]: Without dead ends: 3825 [2023-04-02 04:01:59,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=529, Invalid=1633, Unknown=0, NotChecked=0, Total=2162 [2023-04-02 04:01:59,797 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2683 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 7891 mSolverCounterSat, 1282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2686 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 9173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1282 IncrementalHoareTripleChecker+Valid, 7891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:01:59,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2686 Valid, 65 Invalid, 9173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1282 Valid, 7891 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 04:01:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2023-04-02 04:02:00,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 1119. [2023-04-02 04:02:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 824 states have (on average 1.5449029126213591) internal successors, (1273), 831 states have internal predecessors, (1273), 221 states have call successors, (221), 75 states have call predecessors, (221), 73 states have return successors, (219), 215 states have call predecessors, (219), 216 states have call successors, (219) [2023-04-02 04:02:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1713 transitions. [2023-04-02 04:02:00,783 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1713 transitions. Word has length 177 [2023-04-02 04:02:00,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:00,783 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1713 transitions. [2023-04-02 04:02:00,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-04-02 04:02:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1713 transitions. [2023-04-02 04:02:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 04:02:00,786 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:00,787 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] [2023-04-02 04:02:00,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 04:02:00,787 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:00,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:00,788 INFO L85 PathProgramCache]: Analyzing trace with hash -291870572, now seen corresponding path program 1 times [2023-04-02 04:02:00,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:00,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071910222] [2023-04-02 04:02:00,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:00,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:02:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:02:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:02:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:02:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:02:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 04:02:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 04:02:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 04:02:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 04:02:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:02:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:02:01,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:01,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071910222] [2023-04-02 04:02:01,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071910222] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:01,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:02:01,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 04:02:01,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904040305] [2023-04-02 04:02:01,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:01,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 04:02:01,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:01,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 04:02:01,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:02:01,628 INFO L87 Difference]: Start difference. First operand 1119 states and 1713 transitions. Second operand has 16 states, 16 states have (on average 6.125) internal successors, (98), 7 states have internal predecessors, (98), 5 states have call successors, (38), 12 states have call predecessors, (38), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:02:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:14,644 INFO L93 Difference]: Finished difference Result 4853 states and 8557 transitions. [2023-04-02 04:02:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 04:02:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 7 states have internal predecessors, (98), 5 states have call successors, (38), 12 states have call predecessors, (38), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 177 [2023-04-02 04:02:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:14,657 INFO L225 Difference]: With dead ends: 4853 [2023-04-02 04:02:14,657 INFO L226 Difference]: Without dead ends: 3821 [2023-04-02 04:02:14,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=317, Invalid=873, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 04:02:14,663 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2325 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 5404 mSolverCounterSat, 1025 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2325 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 6429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1025 IncrementalHoareTripleChecker+Valid, 5404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:14,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2325 Valid, 41 Invalid, 6429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1025 Valid, 5404 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 04:02:14,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2023-04-02 04:02:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 1119. [2023-04-02 04:02:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 824 states have (on average 1.5436893203883495) internal successors, (1272), 831 states have internal predecessors, (1272), 221 states have call successors, (221), 75 states have call predecessors, (221), 73 states have return successors, (219), 215 states have call predecessors, (219), 216 states have call successors, (219) [2023-04-02 04:02:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1712 transitions. [2023-04-02 04:02:15,765 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1712 transitions. Word has length 177 [2023-04-02 04:02:15,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:15,765 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1712 transitions. [2023-04-02 04:02:15,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 7 states have internal predecessors, (98), 5 states have call successors, (38), 12 states have call predecessors, (38), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:02:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1712 transitions. [2023-04-02 04:02:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-02 04:02:15,770 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:15,770 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] [2023-04-02 04:02:15,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 04:02:15,770 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:15,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:15,771 INFO L85 PathProgramCache]: Analyzing trace with hash 785662010, now seen corresponding path program 1 times [2023-04-02 04:02:15,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:15,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717885473] [2023-04-02 04:02:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:02:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:02:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 04:02:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:02:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 04:02:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:02:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:02:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:02:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 04:02:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:02:16,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:16,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717885473] [2023-04-02 04:02:16,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717885473] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:16,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:02:16,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:02:16,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143430548] [2023-04-02 04:02:16,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:16,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:02:16,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:16,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:02:16,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:02:16,466 INFO L87 Difference]: Start difference. First operand 1119 states and 1712 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 04:02:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:28,427 INFO L93 Difference]: Finished difference Result 5332 states and 9410 transitions. [2023-04-02 04:02:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 04:02:28,428 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 175 [2023-04-02 04:02:28,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:28,443 INFO L225 Difference]: With dead ends: 5332 [2023-04-02 04:02:28,443 INFO L226 Difference]: Without dead ends: 4302 [2023-04-02 04:02:28,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:02:28,449 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2471 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2755 mSolverCounterSat, 1000 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 3755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 2755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:28,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 24 Invalid, 3755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1000 Valid, 2755 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 04:02:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4302 states. [2023-04-02 04:02:30,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4302 to 1695. [2023-04-02 04:02:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1695 states, 1288 states have (on average 1.5590062111801242) internal successors, (2008), 1295 states have internal predecessors, (2008), 333 states have call successors, (333), 75 states have call predecessors, (333), 73 states have return successors, (331), 327 states have call predecessors, (331), 328 states have call successors, (331) [2023-04-02 04:02:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2672 transitions. [2023-04-02 04:02:30,357 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2672 transitions. Word has length 175 [2023-04-02 04:02:30,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:30,357 INFO L495 AbstractCegarLoop]: Abstraction has 1695 states and 2672 transitions. [2023-04-02 04:02:30,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-02 04:02:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2672 transitions. [2023-04-02 04:02:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 04:02:30,361 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:30,361 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, 1] [2023-04-02 04:02:30,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 04:02:30,361 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:30,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:30,362 INFO L85 PathProgramCache]: Analyzing trace with hash -564082271, now seen corresponding path program 1 times [2023-04-02 04:02:30,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:30,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120077960] [2023-04-02 04:02:30,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:30,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:30,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:02:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:02:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:02:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 04:02:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 04:02:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 04:02:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 04:02:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 04:02:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 04:02:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 04:02:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:02:31,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:31,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120077960] [2023-04-02 04:02:31,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120077960] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:31,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313481562] [2023-04-02 04:02:31,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:31,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:31,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:31,144 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:02:31,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-02 04:02:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:31,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 2366 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:02:31,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:02:31,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:02:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:02:31,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313481562] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:02:31,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:02:31,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-04-02 04:02:31,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258965328] [2023-04-02 04:02:31,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:02:31,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 04:02:31,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:31,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 04:02:31,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:02:31,835 INFO L87 Difference]: Start difference. First operand 1695 states and 2672 transitions. Second operand has 16 states, 16 states have (on average 9.5625) internal successors, (153), 7 states have internal predecessors, (153), 5 states have call successors, (68), 11 states have call predecessors, (68), 2 states have return successors, (39), 4 states have call predecessors, (39), 5 states have call successors, (39) [2023-04-02 04:02:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:55,646 INFO L93 Difference]: Finished difference Result 10140 states and 18360 transitions. [2023-04-02 04:02:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-04-02 04:02:55,647 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.5625) internal successors, (153), 7 states have internal predecessors, (153), 5 states have call successors, (68), 11 states have call predecessors, (68), 2 states have return successors, (39), 4 states have call predecessors, (39), 5 states have call successors, (39) Word has length 178 [2023-04-02 04:02:55,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:55,690 INFO L225 Difference]: With dead ends: 10140 [2023-04-02 04:02:55,691 INFO L226 Difference]: Without dead ends: 9906 [2023-04-02 04:02:55,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=490, Invalid=1150, Unknown=0, NotChecked=0, Total=1640 [2023-04-02 04:02:55,699 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2809 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 5022 mSolverCounterSat, 1025 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 6047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1025 IncrementalHoareTripleChecker+Valid, 5022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:55,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 35 Invalid, 6047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1025 Valid, 5022 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-04-02 04:02:55,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9906 states. [2023-04-02 04:02:59,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9906 to 2690. [2023-04-02 04:02:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2083 states have (on average 1.5333653384541526) internal successors, (3194), 2090 states have internal predecessors, (3194), 533 states have call successors, (533), 75 states have call predecessors, (533), 73 states have return successors, (531), 527 states have call predecessors, (531), 528 states have call successors, (531) [2023-04-02 04:02:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4258 transitions. [2023-04-02 04:02:59,140 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4258 transitions. Word has length 178 [2023-04-02 04:02:59,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:59,141 INFO L495 AbstractCegarLoop]: Abstraction has 2690 states and 4258 transitions. [2023-04-02 04:02:59,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.5625) internal successors, (153), 7 states have internal predecessors, (153), 5 states have call successors, (68), 11 states have call predecessors, (68), 2 states have return successors, (39), 4 states have call predecessors, (39), 5 states have call successors, (39) [2023-04-02 04:02:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4258 transitions. [2023-04-02 04:02:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 04:02:59,148 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:59,148 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:59,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-02 04:02:59,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-04-02 04:02:59,354 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:59,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:59,354 INFO L85 PathProgramCache]: Analyzing trace with hash 212719300, now seen corresponding path program 1 times [2023-04-02 04:02:59,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:59,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644542557] [2023-04-02 04:02:59,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:59,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:02:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:02:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 04:02:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 04:02:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 04:02:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 04:02:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 04:02:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 04:02:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 04:02:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:02:59,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:59,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644542557] [2023-04-02 04:02:59,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644542557] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:59,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:02:59,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:02:59,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005356855] [2023-04-02 04:02:59,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:59,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:02:59,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:59,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:02:59,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:02:59,993 INFO L87 Difference]: Start difference. First operand 2690 states and 4258 transitions. Second operand has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)