/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_spec6_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:47:30,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:47:30,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:47:30,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:47:30,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:47:30,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:47:30,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:47:30,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:47:30,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:47:30,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:47:30,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:47:30,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:47:30,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:47:30,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:47:30,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:47:30,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:47:30,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:47:30,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:47:30,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:47:30,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:47:30,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:47:30,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:47:30,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:47:30,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:47:30,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:47:30,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:47:30,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:47:30,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:47:30,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:47:30,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:47:30,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:47:30,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:47:30,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:47:30,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:47:30,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:47:30,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:47:30,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:47:30,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:47:30,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:47:30,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:47:30,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:47:30,566 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 03:47:30,598 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:47:30,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:47:30,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:47:30,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:47:30,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:47:30,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:47:30,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:47:30,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:47:30,601 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:47:30,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:47:30,601 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:47:30,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:47:30,602 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:47:30,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:47:30,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:47:30,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:47:30,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:47:30,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:47:30,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:47:30,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:47:30,604 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:47:30,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:47:30,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:47:30,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:47:30,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:47:30,824 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:47:30,824 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:47:30,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2023-04-02 03:47:31,988 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:47:32,318 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:47:32,319 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2023-04-02 03:47:32,344 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d2b7153/bd0718e04f624c3a92e23ea9d0c12e8c/FLAGcbc1e35bd [2023-04-02 03:47:32,360 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d2b7153/bd0718e04f624c3a92e23ea9d0c12e8c [2023-04-02 03:47:32,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:47:32,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:47:32,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:47:32,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:47:32,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:47:32,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:47:32" (1/1) ... [2023-04-02 03:47:32,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36359262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:32, skipping insertion in model container [2023-04-02 03:47:32,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:47:32" (1/1) ... [2023-04-02 03:47:32,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:47:32,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:47:32,771 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_spec6_product31.cil.c[31008,31021] [2023-04-02 03:47:32,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:47:32,975 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:47:33,042 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_spec6_product31.cil.c[31008,31021] [2023-04-02 03:47:33,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:47:33,121 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:47:33,127 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:47:33,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33 WrapperNode [2023-04-02 03:47:33,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:47:33,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:47:33,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:47:33,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:47:33,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:47:33,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:47:33,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:47:33,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:47:33,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (1/1) ... [2023-04-02 03:47:33,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:47:33,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:33,314 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 03:47:33,339 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 03:47:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:47:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:47:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:47:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:47:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:47:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:47:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:47:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:47:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:47:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:47:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:47:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:47:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:47:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:47:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:47:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:47:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:47:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:47:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:47:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:47:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:47:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-02 03:47:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:47:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:47:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 03:47:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-02 03:47:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:47:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:47:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:47:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:47:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:47:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:47:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-02 03:47:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-02 03:47:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:47:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:47:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:47:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:47:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:47:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:47:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:47:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:47:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:47:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:47:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:47:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:47:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:47:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:47:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:47:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:47:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:47:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:47:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:47:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:47:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:47:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-02 03:47:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:47:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:47:33,814 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:47:33,821 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:47:34,884 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:47:34,904 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:47:34,904 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:47:34,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:47:34 BoogieIcfgContainer [2023-04-02 03:47:34,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:47:34,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:47:34,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:47:34,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:47:34,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:47:32" (1/3) ... [2023-04-02 03:47:34,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456df64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:47:34, skipping insertion in model container [2023-04-02 03:47:34,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:47:33" (2/3) ... [2023-04-02 03:47:34,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456df64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:47:34, skipping insertion in model container [2023-04-02 03:47:34,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:47:34" (3/3) ... [2023-04-02 03:47:34,921 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product31.cil.c [2023-04-02 03:47:34,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:47:34,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:47:35,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:47:35,026 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;@15bd852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:47:35,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:47:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 566 states, 359 states have (on average 1.3983286908077994) internal successors, (502), 368 states have internal predecessors, (502), 122 states have call successors, (122), 80 states have call predecessors, (122), 80 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2023-04-02 03:47:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-02 03:47:35,056 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:35,057 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:35,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:35,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:35,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1505995675, now seen corresponding path program 1 times [2023-04-02 03:47:35,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:35,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119625959] [2023-04-02 03:47:35,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:35,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:47:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:47:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:47:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:47:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:47:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:47:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:47:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:47:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:47:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:47:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:47:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:47:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 03:47:36,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:36,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119625959] [2023-04-02 03:47:36,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119625959] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:36,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:36,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:47:36,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043740968] [2023-04-02 03:47:36,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:36,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:47:36,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:36,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:47:36,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:47:36,698 INFO L87 Difference]: Start difference. First operand has 566 states, 359 states have (on average 1.3983286908077994) internal successors, (502), 368 states have internal predecessors, (502), 122 states have call successors, (122), 80 states have call predecessors, (122), 80 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:47:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:45,994 INFO L93 Difference]: Finished difference Result 1356 states and 2006 transitions. [2023-04-02 03:47:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-04-02 03:47:45,996 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 189 [2023-04-02 03:47:45,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:46,018 INFO L225 Difference]: With dead ends: 1356 [2023-04-02 03:47:46,018 INFO L226 Difference]: Without dead ends: 885 [2023-04-02 03:47:46,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 795 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=646, Invalid=2006, Unknown=0, NotChecked=0, Total=2652 [2023-04-02 03:47:46,028 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3167 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 1710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1710 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:46,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 164 Invalid, 3582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1710 Valid, 1872 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-02 03:47:46,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2023-04-02 03:47:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 543. [2023-04-02 03:47:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 348 states have (on average 1.396551724137931) internal successors, (486), 354 states have internal predecessors, (486), 118 states have call successors, (118), 80 states have call predecessors, (118), 76 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2023-04-02 03:47:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 717 transitions. [2023-04-02 03:47:46,375 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 717 transitions. Word has length 189 [2023-04-02 03:47:46,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:46,376 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 717 transitions. [2023-04-02 03:47:46,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:47:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 717 transitions. [2023-04-02 03:47:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-02 03:47:46,384 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:46,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:46,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:47:46,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:46,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:46,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1678014794, now seen corresponding path program 1 times [2023-04-02 03:47:46,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:46,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168089789] [2023-04-02 03:47:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:47:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:47:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:47:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:47:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:47:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:47:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:47:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:47:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:47:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:47:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:47:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:47:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 03:47:47,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:47,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168089789] [2023-04-02 03:47:47,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168089789] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:47,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537590939] [2023-04-02 03:47:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:47,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:47,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:47,761 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 03:47:47,808 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 03:47:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:48,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 2470 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:47:48,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 03:47:48,432 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:48,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537590939] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:48,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:48,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:47:48,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855545966] [2023-04-02 03:47:48,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:48,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:47:48,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:48,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:47:48,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:48,440 INFO L87 Difference]: Start difference. First operand 543 states and 717 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:47:48,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:48,812 INFO L93 Difference]: Finished difference Result 857 states and 1114 transitions. [2023-04-02 03:47:48,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:47:48,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 190 [2023-04-02 03:47:48,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:48,817 INFO L225 Difference]: With dead ends: 857 [2023-04-02 03:47:48,817 INFO L226 Difference]: Without dead ends: 546 [2023-04-02 03:47:48,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:48,820 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 1 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1428 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 03:47:48,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1428 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:47:48,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2023-04-02 03:47:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 545. [2023-04-02 03:47:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 350 states have (on average 1.3942857142857144) internal successors, (488), 356 states have internal predecessors, (488), 118 states have call successors, (118), 80 states have call predecessors, (118), 76 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2023-04-02 03:47:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 719 transitions. [2023-04-02 03:47:49,113 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 719 transitions. Word has length 190 [2023-04-02 03:47:49,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:49,114 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 719 transitions. [2023-04-02 03:47:49,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:47:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 719 transitions. [2023-04-02 03:47:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-04-02 03:47:49,117 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:49,117 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:49,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:47:49,326 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 03:47:49,326 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:49,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:49,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1825599266, now seen corresponding path program 1 times [2023-04-02 03:47:49,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:49,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864196856] [2023-04-02 03:47:49,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:49,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:47:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:47:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:47:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:47:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:47:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:47:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:47:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:47:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:47:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:47:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:47:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:47:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:47:50,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:50,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864196856] [2023-04-02 03:47:50,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864196856] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:50,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779015919] [2023-04-02 03:47:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:50,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:50,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:50,490 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 03:47:50,493 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 03:47:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 2482 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:47:51,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 03:47:51,048 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:51,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779015919] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:51,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:51,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:47:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710432539] [2023-04-02 03:47:51,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:51,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:47:51,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:51,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:47:51,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:51,051 INFO L87 Difference]: Start difference. First operand 545 states and 719 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:47:51,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:51,427 INFO L93 Difference]: Finished difference Result 1066 states and 1436 transitions. [2023-04-02 03:47:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:47:51,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 196 [2023-04-02 03:47:51,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:51,432 INFO L225 Difference]: With dead ends: 1066 [2023-04-02 03:47:51,432 INFO L226 Difference]: Without dead ends: 586 [2023-04-02 03:47:51,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:51,434 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 52 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1430 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 03:47:51,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1430 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:47:51,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2023-04-02 03:47:51,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 585. [2023-04-02 03:47:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 382 states have (on average 1.4162303664921465) internal successors, (541), 388 states have internal predecessors, (541), 126 states have call successors, (126), 80 states have call predecessors, (126), 76 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-04-02 03:47:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 788 transitions. [2023-04-02 03:47:51,784 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 788 transitions. Word has length 196 [2023-04-02 03:47:51,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:51,784 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 788 transitions. [2023-04-02 03:47:51,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:47:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 788 transitions. [2023-04-02 03:47:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-02 03:47:51,790 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:51,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:51,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 03:47:52,002 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 03:47:52,003 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:52,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:52,003 INFO L85 PathProgramCache]: Analyzing trace with hash 500500869, now seen corresponding path program 1 times [2023-04-02 03:47:52,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:52,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129270987] [2023-04-02 03:47:52,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:52,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:47:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:47:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:47:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:47:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:47:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:47:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:47:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:47:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:47:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:47:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:47:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:47:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:47:53,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:53,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129270987] [2023-04-02 03:47:53,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129270987] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:53,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026410137] [2023-04-02 03:47:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:53,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:53,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:53,163 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 03:47:53,173 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 03:47:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:53,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 2487 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:47:53,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 03:47:53,895 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:53,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026410137] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:53,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:53,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-04-02 03:47:53,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818537299] [2023-04-02 03:47:53,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:53,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:47:53,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:53,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:47:53,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:47:53,898 INFO L87 Difference]: Start difference. First operand 585 states and 788 transitions. Second operand has 9 states, 7 states have (on average 16.0) internal successors, (112), 9 states have internal predecessors, (112), 6 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:47:55,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:55,179 INFO L93 Difference]: Finished difference Result 1148 states and 1556 transitions. [2023-04-02 03:47:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:47:55,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.0) internal successors, (112), 9 states have internal predecessors, (112), 6 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 197 [2023-04-02 03:47:55,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:55,185 INFO L225 Difference]: With dead ends: 1148 [2023-04-02 03:47:55,185 INFO L226 Difference]: Without dead ends: 599 [2023-04-02 03:47:55,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:47:55,189 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 681 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:55,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 3642 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 03:47:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2023-04-02 03:47:55,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2023-04-02 03:47:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 393 states have (on average 1.4198473282442747) internal successors, (558), 400 states have internal predecessors, (558), 126 states have call successors, (126), 82 states have call predecessors, (126), 79 states have return successors, (122), 121 states have call predecessors, (122), 121 states have call successors, (122) [2023-04-02 03:47:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 806 transitions. [2023-04-02 03:47:55,576 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 806 transitions. Word has length 197 [2023-04-02 03:47:55,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:55,577 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 806 transitions. [2023-04-02 03:47:55,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.0) internal successors, (112), 9 states have internal predecessors, (112), 6 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:47:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 806 transitions. [2023-04-02 03:47:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 03:47:55,580 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:55,581 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:55,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 03:47:55,790 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 03:47:55,791 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:55,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:55,791 INFO L85 PathProgramCache]: Analyzing trace with hash -722803855, now seen corresponding path program 1 times [2023-04-02 03:47:55,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:55,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898693458] [2023-04-02 03:47:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:47:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:47:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:47:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:47:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:47:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:47:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:47:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:47:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:47:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:47:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:47:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:47:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:47:56,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:56,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898693458] [2023-04-02 03:47:56,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898693458] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:56,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151976076] [2023-04-02 03:47:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:56,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:56,802 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 03:47:56,815 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 03:47:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:57,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:47:57,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 03:47:57,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:57,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151976076] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:57,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:57,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-04-02 03:47:57,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991415284] [2023-04-02 03:47:57,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:57,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:47:57,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:57,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:47:57,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:47:57,474 INFO L87 Difference]: Start difference. First operand 599 states and 806 transitions. Second operand has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) [2023-04-02 03:47:58,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:58,554 INFO L93 Difference]: Finished difference Result 1149 states and 1560 transitions. [2023-04-02 03:47:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:47:58,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) Word has length 198 [2023-04-02 03:47:58,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:58,559 INFO L225 Difference]: With dead ends: 1149 [2023-04-02 03:47:58,559 INFO L226 Difference]: Without dead ends: 601 [2023-04-02 03:47:58,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:47:58,561 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 668 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:58,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 2708 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 03:47:58,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2023-04-02 03:47:58,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2023-04-02 03:47:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 394 states have (on average 1.4187817258883249) internal successors, (559), 402 states have internal predecessors, (559), 126 states have call successors, (126), 82 states have call predecessors, (126), 80 states have return successors, (124), 121 states have call predecessors, (124), 121 states have call successors, (124) [2023-04-02 03:47:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 809 transitions. [2023-04-02 03:47:58,952 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 809 transitions. Word has length 198 [2023-04-02 03:47:58,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:58,952 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 809 transitions. [2023-04-02 03:47:58,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) [2023-04-02 03:47:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 809 transitions. [2023-04-02 03:47:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-02 03:47:58,955 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:58,956 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:58,969 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 03:47:59,165 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 03:47:59,166 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:59,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:59,166 INFO L85 PathProgramCache]: Analyzing trace with hash 698472774, now seen corresponding path program 1 times [2023-04-02 03:47:59,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:59,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667793335] [2023-04-02 03:47:59,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:59,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:48:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:48:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:48:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:48:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:48:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:48:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:48:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:48:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:48:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:48:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:48:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:48:00,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:00,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667793335] [2023-04-02 03:48:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667793335] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:00,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:00,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:48:00,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128047680] [2023-04-02 03:48:00,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:00,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:48:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:48:00,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:48:00,201 INFO L87 Difference]: Start difference. First operand 601 states and 809 transitions. Second operand has 19 states, 16 states have (on average 6.6875) internal successors, (107), 9 states have internal predecessors, (107), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:48:12,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:12,662 INFO L93 Difference]: Finished difference Result 1585 states and 2299 transitions. [2023-04-02 03:48:12,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:48:12,663 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.6875) internal successors, (107), 9 states have internal predecessors, (107), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 199 [2023-04-02 03:48:12,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:12,670 INFO L225 Difference]: With dead ends: 1585 [2023-04-02 03:48:12,670 INFO L226 Difference]: Without dead ends: 1043 [2023-04-02 03:48:12,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=647, Invalid=2433, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:48:12,673 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3133 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 7837 mSolverCounterSat, 1698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3136 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 9535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1698 IncrementalHoareTripleChecker+Valid, 7837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:12,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3136 Valid, 85 Invalid, 9535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1698 Valid, 7837 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-04-02 03:48:12,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2023-04-02 03:48:12,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 611. [2023-04-02 03:48:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 403 states have (on average 1.4168734491315136) internal successors, (571), 410 states have internal predecessors, (571), 126 states have call successors, (126), 84 states have call predecessors, (126), 81 states have return successors, (123), 121 states have call predecessors, (123), 121 states have call successors, (123) [2023-04-02 03:48:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 820 transitions. [2023-04-02 03:48:12,992 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 820 transitions. Word has length 199 [2023-04-02 03:48:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:12,992 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 820 transitions. [2023-04-02 03:48:12,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.6875) internal successors, (107), 9 states have internal predecessors, (107), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:48:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 820 transitions. [2023-04-02 03:48:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-04-02 03:48:12,995 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:12,996 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:48:12,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:48:12,996 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:12,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:12,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2087787384, now seen corresponding path program 2 times [2023-04-02 03:48:12,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:12,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573058541] [2023-04-02 03:48:12,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:12,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:48:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:48:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:48:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:48:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:48:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:48:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:48:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:48:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:48:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:48:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:48:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:48:13,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:13,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573058541] [2023-04-02 03:48:13,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573058541] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:13,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:13,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:48:13,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121101262] [2023-04-02 03:48:13,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:13,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:48:13,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:13,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:48:13,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:48:13,990 INFO L87 Difference]: Start difference. First operand 611 states and 820 transitions. Second operand has 20 states, 17 states have (on average 6.529411764705882) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:48:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:26,690 INFO L93 Difference]: Finished difference Result 1587 states and 2304 transitions. [2023-04-02 03:48:26,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:48:26,690 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.529411764705882) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 200 [2023-04-02 03:48:26,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:26,696 INFO L225 Difference]: With dead ends: 1587 [2023-04-02 03:48:26,696 INFO L226 Difference]: Without dead ends: 1056 [2023-04-02 03:48:26,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=678, Invalid=2744, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:48:26,699 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3710 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8573 mSolverCounterSat, 2061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3713 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 10634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2061 IncrementalHoareTripleChecker+Valid, 8573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:26,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3713 Valid, 92 Invalid, 10634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2061 Valid, 8573 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-04-02 03:48:26,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2023-04-02 03:48:27,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 616. [2023-04-02 03:48:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 405 states have (on average 1.4148148148148147) internal successors, (573), 413 states have internal predecessors, (573), 127 states have call successors, (127), 84 states have call predecessors, (127), 83 states have return successors, (126), 123 states have call predecessors, (126), 122 states have call successors, (126) [2023-04-02 03:48:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 826 transitions. [2023-04-02 03:48:27,010 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 826 transitions. Word has length 200 [2023-04-02 03:48:27,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:27,010 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 826 transitions. [2023-04-02 03:48:27,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.529411764705882) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:48:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 826 transitions. [2023-04-02 03:48:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-04-02 03:48:27,014 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:27,014 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:48:27,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:48:27,014 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:27,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:27,014 INFO L85 PathProgramCache]: Analyzing trace with hash 202684529, now seen corresponding path program 3 times [2023-04-02 03:48:27,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:27,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164214282] [2023-04-02 03:48:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:27,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:48:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:48:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:48:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:48:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:48:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:48:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:48:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:48:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:48:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:48:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 03:48:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-02 03:48:28,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:28,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164214282] [2023-04-02 03:48:28,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164214282] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:28,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:28,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:48:28,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41203657] [2023-04-02 03:48:28,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:28,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:48:28,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:28,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:48:28,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:48:28,006 INFO L87 Difference]: Start difference. First operand 616 states and 826 transitions. Second operand has 19 states, 16 states have (on average 6.75) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:48:39,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:39,681 INFO L93 Difference]: Finished difference Result 1583 states and 2295 transitions. [2023-04-02 03:48:39,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:48:39,682 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.75) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 201 [2023-04-02 03:48:39,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:39,687 INFO L225 Difference]: With dead ends: 1583 [2023-04-02 03:48:39,688 INFO L226 Difference]: Without dead ends: 1045 [2023-04-02 03:48:39,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=647, Invalid=2433, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:48:39,691 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3166 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7672 mSolverCounterSat, 1670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3169 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 9342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1670 IncrementalHoareTripleChecker+Valid, 7672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:39,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3169 Valid, 81 Invalid, 9342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1670 Valid, 7672 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-04-02 03:48:39,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2023-04-02 03:48:40,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 611. [2023-04-02 03:48:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 403 states have (on average 1.41439205955335) internal successors, (570), 410 states have internal predecessors, (570), 126 states have call successors, (126), 84 states have call predecessors, (126), 81 states have return successors, (123), 121 states have call predecessors, (123), 121 states have call successors, (123) [2023-04-02 03:48:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 819 transitions. [2023-04-02 03:48:40,052 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 819 transitions. Word has length 201 [2023-04-02 03:48:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:40,052 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 819 transitions. [2023-04-02 03:48:40,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.75) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:48:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 819 transitions. [2023-04-02 03:48:40,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-04-02 03:48:40,055 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:40,055 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:48:40,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:48:40,056 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:40,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:40,056 INFO L85 PathProgramCache]: Analyzing trace with hash -815967219, now seen corresponding path program 1 times [2023-04-02 03:48:40,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:40,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401057691] [2023-04-02 03:48:40,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:40,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:48:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:48:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:48:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:48:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:48:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:48:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:48:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:48:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:48:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:48:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 03:48:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:48:40,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:40,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401057691] [2023-04-02 03:48:40,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401057691] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:40,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:40,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:48:40,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191337274] [2023-04-02 03:48:40,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:40,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:48:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:40,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:48:40,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:48:40,998 INFO L87 Difference]: Start difference. First operand 611 states and 819 transitions. Second operand has 20 states, 17 states have (on average 6.588235294117647) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:48:55,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:55,655 INFO L93 Difference]: Finished difference Result 1576 states and 2283 transitions. [2023-04-02 03:48:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:48:55,656 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.588235294117647) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 201 [2023-04-02 03:48:55,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:55,666 INFO L225 Difference]: With dead ends: 1576 [2023-04-02 03:48:55,666 INFO L226 Difference]: Without dead ends: 1045 [2023-04-02 03:48:55,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=802, Invalid=2980, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:48:55,670 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2727 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 8507 mSolverCounterSat, 1428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 9935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1428 IncrementalHoareTripleChecker+Valid, 8507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:55,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2730 Valid, 88 Invalid, 9935 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1428 Valid, 8507 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-04-02 03:48:55,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2023-04-02 03:48:56,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 611. [2023-04-02 03:48:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 403 states have (on average 1.41439205955335) internal successors, (570), 410 states have internal predecessors, (570), 126 states have call successors, (126), 84 states have call predecessors, (126), 81 states have return successors, (122), 121 states have call predecessors, (122), 121 states have call successors, (122) [2023-04-02 03:48:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 818 transitions. [2023-04-02 03:48:56,070 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 818 transitions. Word has length 201 [2023-04-02 03:48:56,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:56,071 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 818 transitions. [2023-04-02 03:48:56,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.588235294117647) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:48:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 818 transitions. [2023-04-02 03:48:56,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-04-02 03:48:56,073 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:56,073 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:48:56,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:48:56,073 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:56,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:56,074 INFO L85 PathProgramCache]: Analyzing trace with hash 380605052, now seen corresponding path program 2 times [2023-04-02 03:48:56,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:56,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878193943] [2023-04-02 03:48:56,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:56,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:48:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:48:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:48:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:48:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:48:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:48:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:48:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:48:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:48:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:48:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-02 03:48:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:48:56,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:56,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878193943] [2023-04-02 03:48:56,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878193943] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:56,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:56,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:48:56,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526540216] [2023-04-02 03:48:56,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:56,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:48:56,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:56,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:48:56,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:48:56,991 INFO L87 Difference]: Start difference. First operand 611 states and 818 transitions. Second operand has 20 states, 17 states have (on average 6.647058823529412) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:49:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:11,340 INFO L93 Difference]: Finished difference Result 1582 states and 2291 transitions. [2023-04-02 03:49:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:49:11,340 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.647058823529412) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 202 [2023-04-02 03:49:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:11,345 INFO L225 Difference]: With dead ends: 1582 [2023-04-02 03:49:11,345 INFO L226 Difference]: Without dead ends: 1051 [2023-04-02 03:49:11,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=802, Invalid=2980, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:49:11,348 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 6305 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 8454 mSolverCounterSat, 3358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6308 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 11812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3358 IncrementalHoareTripleChecker+Valid, 8454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:11,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6308 Valid, 88 Invalid, 11812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3358 Valid, 8454 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-04-02 03:49:11,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2023-04-02 03:49:11,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 613. [2023-04-02 03:49:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 404 states have (on average 1.4133663366336633) internal successors, (571), 412 states have internal predecessors, (571), 126 states have call successors, (126), 84 states have call predecessors, (126), 82 states have return successors, (124), 121 states have call predecessors, (124), 121 states have call successors, (124) [2023-04-02 03:49:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 821 transitions. [2023-04-02 03:49:11,788 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 821 transitions. Word has length 202 [2023-04-02 03:49:11,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:11,788 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 821 transitions. [2023-04-02 03:49:11,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.647058823529412) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:49:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 821 transitions. [2023-04-02 03:49:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-02 03:49:11,790 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:11,791 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:49:11,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:49:11,791 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:11,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:11,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2040461320, now seen corresponding path program 1 times [2023-04-02 03:49:11,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:11,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286328422] [2023-04-02 03:49:11,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:11,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:49:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:49:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:49:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:49:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:49:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:49:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:49:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:49:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:49:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:49:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:49:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:49:12,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:12,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286328422] [2023-04-02 03:49:12,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286328422] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:12,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:12,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:49:12,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81572098] [2023-04-02 03:49:12,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:12,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:49:12,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:12,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:49:12,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:49:12,759 INFO L87 Difference]: Start difference. First operand 613 states and 821 transitions. Second operand has 20 states, 17 states have (on average 6.705882352941177) internal successors, (114), 9 states have internal predecessors, (114), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:49:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:26,881 INFO L93 Difference]: Finished difference Result 1582 states and 2287 transitions. [2023-04-02 03:49:26,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:49:26,882 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.705882352941177) internal successors, (114), 9 states have internal predecessors, (114), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 203 [2023-04-02 03:49:26,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:26,885 INFO L225 Difference]: With dead ends: 1582 [2023-04-02 03:49:26,885 INFO L226 Difference]: Without dead ends: 1049 [2023-04-02 03:49:26,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=757, Invalid=2665, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:49:26,888 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4269 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8333 mSolverCounterSat, 2328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4272 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2328 IncrementalHoareTripleChecker+Valid, 8333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:26,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4272 Valid, 90 Invalid, 10661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2328 Valid, 8333 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 03:49:26,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2023-04-02 03:49:27,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 620. [2023-04-02 03:49:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 407 states have (on average 1.4103194103194103) internal successors, (574), 417 states have internal predecessors, (574), 127 states have call successors, (127), 84 states have call predecessors, (127), 85 states have return successors, (130), 123 states have call predecessors, (130), 122 states have call successors, (130) [2023-04-02 03:49:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 831 transitions. [2023-04-02 03:49:27,289 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 831 transitions. Word has length 203 [2023-04-02 03:49:27,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:27,290 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 831 transitions. [2023-04-02 03:49:27,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.705882352941177) internal successors, (114), 9 states have internal predecessors, (114), 5 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2023-04-02 03:49:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 831 transitions. [2023-04-02 03:49:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-02 03:49:27,292 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:27,292 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:49:27,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:49:27,292 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:27,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:27,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1610803014, now seen corresponding path program 1 times [2023-04-02 03:49:27,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:27,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696475389] [2023-04-02 03:49:27,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:27,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:49:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:49:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:49:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:49:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:49:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:49:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:49:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:49:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:49:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:49:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:49:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-02 03:49:28,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:28,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696475389] [2023-04-02 03:49:28,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696475389] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:28,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:28,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:49:28,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121748889] [2023-04-02 03:49:28,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:28,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:49:28,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:28,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:49:28,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:49:28,225 INFO L87 Difference]: Start difference. First operand 620 states and 831 transitions. Second operand has 19 states, 16 states have (on average 6.9375) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:49:41,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:41,491 INFO L93 Difference]: Finished difference Result 1570 states and 2270 transitions. [2023-04-02 03:49:41,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-04-02 03:49:41,493 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.9375) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 203 [2023-04-02 03:49:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:41,498 INFO L225 Difference]: With dead ends: 1570 [2023-04-02 03:49:41,498 INFO L226 Difference]: Without dead ends: 1030 [2023-04-02 03:49:41,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=709, Invalid=2261, Unknown=0, NotChecked=0, Total=2970 [2023-04-02 03:49:41,500 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3677 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 7836 mSolverCounterSat, 1914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 9750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1914 IncrementalHoareTripleChecker+Valid, 7836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:41,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3680 Valid, 67 Invalid, 9750 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1914 Valid, 7836 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-02 03:49:41,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2023-04-02 03:49:41,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 613. [2023-04-02 03:49:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 404 states have (on average 1.4108910891089108) internal successors, (570), 412 states have internal predecessors, (570), 126 states have call successors, (126), 84 states have call predecessors, (126), 82 states have return successors, (124), 121 states have call predecessors, (124), 121 states have call successors, (124) [2023-04-02 03:49:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 820 transitions. [2023-04-02 03:49:41,894 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 820 transitions. Word has length 203 [2023-04-02 03:49:41,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:41,894 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 820 transitions. [2023-04-02 03:49:41,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.9375) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (43), 12 states have call predecessors, (43), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2023-04-02 03:49:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 820 transitions. [2023-04-02 03:49:41,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-02 03:49:41,896 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:41,896 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:49:41,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:49:41,897 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:41,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:41,897 INFO L85 PathProgramCache]: Analyzing trace with hash 641507718, now seen corresponding path program 1 times [2023-04-02 03:49:41,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:41,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592533655] [2023-04-02 03:49:41,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:41,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:49:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:49:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:49:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:49:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:49:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:49:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:49:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:49:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:49:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:49:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:49:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:42,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:42,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592533655] [2023-04-02 03:49:42,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592533655] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:49:42,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261420144] [2023-04-02 03:49:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:42,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:49:42,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:49:42,663 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 03:49:42,664 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 03:49:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:49:43,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:49:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:43,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:49:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:43,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261420144] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:49:43,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:49:43,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 03:49:43,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638349042] [2023-04-02 03:49:43,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:49:43,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:49:43,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:43,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:49:43,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:49:43,302 INFO L87 Difference]: Start difference. First operand 613 states and 820 transitions. Second operand has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (78), 12 states have call predecessors, (78), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-02 03:49:55,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:55,035 INFO L93 Difference]: Finished difference Result 1867 states and 2922 transitions. [2023-04-02 03:49:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-02 03:49:55,035 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (78), 12 states have call predecessors, (78), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 203 [2023-04-02 03:49:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:55,042 INFO L225 Difference]: With dead ends: 1867 [2023-04-02 03:49:55,042 INFO L226 Difference]: Without dead ends: 1556 [2023-04-02 03:49:55,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=535, Invalid=1271, Unknown=0, NotChecked=0, Total=1806 [2023-04-02 03:49:55,044 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4540 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 3975 mSolverCounterSat, 1759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4586 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 5734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1759 IncrementalHoareTripleChecker+Valid, 3975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:55,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4586 Valid, 33 Invalid, 5734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1759 Valid, 3975 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 03:49:55,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2023-04-02 03:49:55,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 824. [2023-04-02 03:49:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 572 states have (on average 1.4737762237762237) internal successors, (843), 580 states have internal predecessors, (843), 169 states have call successors, (169), 84 states have call predecessors, (169), 82 states have return successors, (167), 164 states have call predecessors, (167), 164 states have call successors, (167) [2023-04-02 03:49:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1179 transitions. [2023-04-02 03:49:55,662 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1179 transitions. Word has length 203 [2023-04-02 03:49:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:55,663 INFO L495 AbstractCegarLoop]: Abstraction has 824 states and 1179 transitions. [2023-04-02 03:49:55,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (78), 12 states have call predecessors, (78), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-02 03:49:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1179 transitions. [2023-04-02 03:49:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-02 03:49:55,666 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:55,666 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:49:55,679 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 03:49:55,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 03:49:55,876 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:55,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:55,876 INFO L85 PathProgramCache]: Analyzing trace with hash -997010423, now seen corresponding path program 1 times [2023-04-02 03:49:55,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:55,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849714045] [2023-04-02 03:49:55,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:55,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:49:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:49:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:49:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:49:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:49:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:49:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:49:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:49:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:49:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:49:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:49:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:56,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:56,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849714045] [2023-04-02 03:49:56,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849714045] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:56,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:56,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:49:56,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079655613] [2023-04-02 03:49:56,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:56,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:49:56,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:56,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:49:56,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:49:56,532 INFO L87 Difference]: Start difference. First operand 824 states and 1179 transitions. Second operand has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:50:05,867 INFO L93 Difference]: Finished difference Result 2787 states and 4532 transitions. [2023-04-02 03:50:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:50:05,868 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 209 [2023-04-02 03:50:05,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:50:05,877 INFO L225 Difference]: With dead ends: 2787 [2023-04-02 03:50:05,877 INFO L226 Difference]: Without dead ends: 2065 [2023-04-02 03:50:05,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:50:05,880 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4104 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 1986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 4902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1986 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:50:05,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 28 Invalid, 4902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1986 Valid, 2916 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:50:05,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2023-04-02 03:50:06,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 1032. [2023-04-02 03:50:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 737 states have (on average 1.496607869742198) internal successors, (1103), 745 states have internal predecessors, (1103), 212 states have call successors, (212), 84 states have call predecessors, (212), 82 states have return successors, (210), 207 states have call predecessors, (210), 207 states have call successors, (210) [2023-04-02 03:50:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1525 transitions. [2023-04-02 03:50:06,862 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1525 transitions. Word has length 209 [2023-04-02 03:50:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:50:06,862 INFO L495 AbstractCegarLoop]: Abstraction has 1032 states and 1525 transitions. [2023-04-02 03:50:06,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1525 transitions. [2023-04-02 03:50:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-02 03:50:06,866 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:50:06,866 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:50:06,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:50:06,866 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:50:06,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:50:06,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1016908868, now seen corresponding path program 1 times [2023-04-02 03:50:06,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:50:06,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436931742] [2023-04-02 03:50:06,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:50:06,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:50:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:50:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:50:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:50:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:50:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:50:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:50:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:50:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:50:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:50:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:50:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:50:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:50:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:50:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:50:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:50:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:50:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:50:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:50:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:50:07,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:50:07,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436931742] [2023-04-02 03:50:07,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436931742] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:50:07,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:50:07,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:50:07,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053703443] [2023-04-02 03:50:07,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:50:07,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:50:07,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:50:07,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:50:07,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:50:07,541 INFO L87 Difference]: Start difference. First operand 1032 states and 1525 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:18,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:50:18,312 INFO L93 Difference]: Finished difference Result 3847 states and 6461 transitions. [2023-04-02 03:50:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:50:18,313 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 210 [2023-04-02 03:50:18,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:50:18,326 INFO L225 Difference]: With dead ends: 3847 [2023-04-02 03:50:18,327 INFO L226 Difference]: Without dead ends: 2946 [2023-04-02 03:50:18,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:50:18,331 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4495 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 2195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4541 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 5053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2195 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:50:18,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4541 Valid, 26 Invalid, 5053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2195 Valid, 2858 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:50:18,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2023-04-02 03:50:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 1348. [2023-04-02 03:50:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 992 states have (on average 1.5141129032258065) internal successors, (1502), 1000 states have internal predecessors, (1502), 273 states have call successors, (273), 84 states have call predecessors, (273), 82 states have return successors, (271), 268 states have call predecessors, (271), 268 states have call successors, (271) [2023-04-02 03:50:19,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 2046 transitions. [2023-04-02 03:50:19,733 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 2046 transitions. Word has length 210 [2023-04-02 03:50:19,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:50:19,733 INFO L495 AbstractCegarLoop]: Abstraction has 1348 states and 2046 transitions. [2023-04-02 03:50:19,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 2046 transitions. [2023-04-02 03:50:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-02 03:50:19,738 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:50:19,738 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:50:19,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:50:19,738 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:50:19,738 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:50:19,739 INFO L85 PathProgramCache]: Analyzing trace with hash -989148213, now seen corresponding path program 1 times [2023-04-02 03:50:19,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:50:19,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306282319] [2023-04-02 03:50:19,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:50:19,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:50:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:50:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:50:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:50:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:50:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:50:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:50:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:50:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:50:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:50:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:50:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:50:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:50:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:50:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:50:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:50:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:50:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:50:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:50:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:50:20,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:50:20,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306282319] [2023-04-02 03:50:20,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306282319] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:50:20,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:50:20,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:50:20,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862554818] [2023-04-02 03:50:20,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:50:20,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:50:20,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:50:20,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:50:20,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:50:20,399 INFO L87 Difference]: Start difference. First operand 1348 states and 2046 transitions. Second operand has 13 states, 13 states have (on average 9.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:50:33,097 INFO L93 Difference]: Finished difference Result 5495 states and 9446 transitions. [2023-04-02 03:50:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:50:33,097 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 211 [2023-04-02 03:50:33,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:50:33,118 INFO L225 Difference]: With dead ends: 5495 [2023-04-02 03:50:33,118 INFO L226 Difference]: Without dead ends: 4334 [2023-04-02 03:50:33,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:50:33,124 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3864 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2755 mSolverCounterSat, 1856 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 4611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1856 IncrementalHoareTripleChecker+Valid, 2755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:50:33,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 28 Invalid, 4611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1856 Valid, 2755 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:50:33,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4334 states. [2023-04-02 03:50:35,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4334 to 1847. [2023-04-02 03:50:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1397 states have (on average 1.5239799570508232) internal successors, (2129), 1405 states have internal predecessors, (2129), 367 states have call successors, (367), 84 states have call predecessors, (367), 82 states have return successors, (365), 362 states have call predecessors, (365), 362 states have call successors, (365) [2023-04-02 03:50:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2861 transitions. [2023-04-02 03:50:35,337 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2861 transitions. Word has length 211 [2023-04-02 03:50:35,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:50:35,337 INFO L495 AbstractCegarLoop]: Abstraction has 1847 states and 2861 transitions. [2023-04-02 03:50:35,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2861 transitions. [2023-04-02 03:50:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-04-02 03:50:35,344 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:50:35,344 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:50:35,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:50:35,345 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:50:35,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:50:35,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1464830852, now seen corresponding path program 1 times [2023-04-02 03:50:35,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:50:35,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996895028] [2023-04-02 03:50:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:50:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:50:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:50:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:50:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:50:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:50:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:50:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:50:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:50:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:50:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:50:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:50:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:50:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:50:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:50:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:50:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:50:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:50:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:50:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:50:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:50:36,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:50:36,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996895028] [2023-04-02 03:50:36,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996895028] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:50:36,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:50:36,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:50:36,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627364716] [2023-04-02 03:50:36,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:50:36,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:50:36,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:50:36,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:50:36,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:50:36,077 INFO L87 Difference]: Start difference. First operand 1847 states and 2861 transitions. Second operand has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:52,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:50:52,240 INFO L93 Difference]: Finished difference Result 8184 states and 14287 transitions. [2023-04-02 03:50:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:50:52,241 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 212 [2023-04-02 03:50:52,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:50:52,270 INFO L225 Difference]: With dead ends: 8184 [2023-04-02 03:50:52,270 INFO L226 Difference]: Without dead ends: 6623 [2023-04-02 03:50:52,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:50:52,276 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4592 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 2245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4638 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 5063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2245 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:50:52,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4638 Valid, 30 Invalid, 5063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2245 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:50:52,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2023-04-02 03:50:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 2659. [2023-04-02 03:50:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2659 states, 2060 states have (on average 1.528640776699029) internal successors, (3149), 2068 states have internal predecessors, (3149), 516 states have call successors, (516), 84 states have call predecessors, (516), 82 states have return successors, (514), 511 states have call predecessors, (514), 511 states have call successors, (514) [2023-04-02 03:50:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 4179 transitions. [2023-04-02 03:50:55,879 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 4179 transitions. Word has length 212 [2023-04-02 03:50:55,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:50:55,879 INFO L495 AbstractCegarLoop]: Abstraction has 2659 states and 4179 transitions. [2023-04-02 03:50:55,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 03:50:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 4179 transitions. [2023-04-02 03:50:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-02 03:50:55,889 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:50:55,889 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:50:55,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:50:55,889 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:50:55,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:50:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1980979061, now seen corresponding path program 1 times [2023-04-02 03:50:55,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:50:55,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493024912] [2023-04-02 03:50:55,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:50:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:50:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:50:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:50:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:50:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:50:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:50:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:50:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:50:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:50:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:50:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:50:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:50:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:50:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:50:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:50:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:50:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 03:50:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 03:50:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 03:50:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:50:56,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:50:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493024912] [2023-04-02 03:50:56,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493024912] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:50:56,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:50:56,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:50:56,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739730440] [2023-04-02 03:50:56,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:50:56,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:50:56,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:50:56,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:50:56,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:50:56,622 INFO L87 Difference]: Start difference. First operand 2659 states and 4179 transitions. Second operand has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)