/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/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:17:54,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:17:54,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:17:54,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:17:54,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:17:54,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:17:54,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:17:54,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:17:54,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:17:54,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:17:54,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:17:54,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:17:54,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:17:54,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:17:54,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:17:54,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:17:54,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:17:54,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:17:54,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:17:54,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:17:54,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:17:54,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:17:54,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:17:54,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:17:54,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:17:54,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:17:54,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:17:54,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:17:54,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:17:54,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:17:54,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:17:54,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:17:54,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:17:54,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:17:54,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:17:54,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:17:54,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:17:54,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:17:54,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:17:54,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:17:54,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:17:54,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:17:54,526 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:17:54,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:17:54,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:17:54,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:17:54,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:17:54,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:17:54,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:17:54,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:17:54,528 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:17:54,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:17:54,529 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:17:54,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:17:54,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:17:54,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:17:54,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:17:54,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:17:54,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:17:54,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:17:54,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:17:54,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:17:54,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:17:54,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:17:54,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:17:54,532 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:17:54,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:17:54,532 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:17:54,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:17:54,532 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:17:54,532 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:17:54,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:17:54,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:17:54,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:17:54,743 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:17:54,743 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:17:54,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2023-03-31 01:17:55,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:17:55,987 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:17:55,988 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2023-03-31 01:17:55,999 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df6668db/d17bbc3950a34ecd9b011bc9d5e3cc6b/FLAG5e58cc723 [2023-03-31 01:17:56,013 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df6668db/d17bbc3950a34ecd9b011bc9d5e3cc6b [2023-03-31 01:17:56,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:17:56,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:17:56,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:17:56,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:17:56,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:17:56,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da621f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56, skipping insertion in model container [2023-03-31 01:17:56,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:17:56,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:17:56,240 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/minepump_spec5_product48.cil.c[11292,11305] [2023-03-31 01:17:56,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:17:56,288 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:17:56,320 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/minepump_spec5_product48.cil.c[11292,11305] [2023-03-31 01:17:56,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:17:56,359 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:17:56,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56 WrapperNode [2023-03-31 01:17:56,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:17:56,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:17:56,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:17:56,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:17:56,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:17:56,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:17:56,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:17:56,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:17:56,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (1/1) ... [2023-03-31 01:17:56,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:17:56,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:17:56,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:17:56,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:17:56,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:17:56,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:17:56,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:17:56,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 01:17:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:17:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-03-31 01:17:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:17:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:17:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:17:56,460 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:17:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:17:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:17:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:17:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:17:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:17:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:17:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:17:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:17:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:17:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:17:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:17:56,560 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:17:56,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:17:56,925 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:17:56,932 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:17:56,932 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:17:56,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:17:56 BoogieIcfgContainer [2023-03-31 01:17:56,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:17:56,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:17:56,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:17:56,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:17:56,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:17:56" (1/3) ... [2023-03-31 01:17:56,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c757f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:17:56, skipping insertion in model container [2023-03-31 01:17:56,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:17:56" (2/3) ... [2023-03-31 01:17:56,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c757f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:17:56, skipping insertion in model container [2023-03-31 01:17:56,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:17:56" (3/3) ... [2023-03-31 01:17:56,939 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2023-03-31 01:17:56,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:17:56,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:17:56,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:17:56,996 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;@7c9c615e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:17:56,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:17:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 123 states have internal predecessors, (138), 53 states have call successors, (53), 33 states have call predecessors, (53), 33 states have return successors, (53), 48 states have call predecessors, (53), 53 states have call successors, (53) [2023-03-31 01:17:57,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-03-31 01:17:57,013 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:17:57,014 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:17:57,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:17:57,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:17:57,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1192168584, now seen corresponding path program 1 times [2023-03-31 01:17:57,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:17:57,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503501590] [2023-03-31 01:17:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:17:57,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:17:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:17:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:17:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:17:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:17:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:17:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:17:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:17:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:17:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:17:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-03-31 01:17:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:17:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:17:57,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503501590] [2023-03-31 01:17:57,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503501590] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:17:57,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:17:57,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:17:57,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318762645] [2023-03-31 01:17:57,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:17:57,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:17:57,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:17:57,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:17:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:17:57,362 INFO L87 Difference]: Start difference. First operand has 196 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 123 states have internal predecessors, (138), 53 states have call successors, (53), 33 states have call predecessors, (53), 33 states have return successors, (53), 48 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 01:17:57,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:17:57,979 INFO L93 Difference]: Finished difference Result 340 states and 436 transitions. [2023-03-31 01:17:57,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-03-31 01:17:57,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 59 [2023-03-31 01:17:57,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:17:57,994 INFO L225 Difference]: With dead ends: 340 [2023-03-31 01:17:57,994 INFO L226 Difference]: Without dead ends: 188 [2023-03-31 01:17:57,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:17:58,013 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 115 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:17:58,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 81 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:17:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-03-31 01:17:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 153. [2023-03-31 01:17:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 101 states have internal predecessors, (109), 38 states have call successors, (38), 31 states have call predecessors, (38), 26 states have return successors, (33), 28 states have call predecessors, (33), 33 states have call successors, (33) [2023-03-31 01:17:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2023-03-31 01:17:58,104 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 59 [2023-03-31 01:17:58,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:17:58,104 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2023-03-31 01:17:58,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 01:17:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2023-03-31 01:17:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-03-31 01:17:58,107 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:17:58,107 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:17:58,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:17:58,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:17:58,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:17:58,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1104487149, now seen corresponding path program 1 times [2023-03-31 01:17:58,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:17:58,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15522961] [2023-03-31 01:17:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:17:58,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:17:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:17:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:17:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:17:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:17:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:17:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:17:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:17:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:17:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:17:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-03-31 01:17:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:17:58,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:17:58,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15522961] [2023-03-31 01:17:58,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15522961] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:17:58,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:17:58,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 01:17:58,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718416029] [2023-03-31 01:17:58,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:17:58,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 01:17:58,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:17:58,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 01:17:58,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:17:58,290 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 01:17:58,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:17:58,664 INFO L93 Difference]: Finished difference Result 275 states and 336 transitions. [2023-03-31 01:17:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:17:58,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 60 [2023-03-31 01:17:58,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:17:58,667 INFO L225 Difference]: With dead ends: 275 [2023-03-31 01:17:58,667 INFO L226 Difference]: Without dead ends: 178 [2023-03-31 01:17:58,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-03-31 01:17:58,668 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 218 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:17:58,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 60 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:17:58,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-03-31 01:17:58,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2023-03-31 01:17:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 95 states have internal predecessors, (102), 35 states have call successors, (35), 30 states have call predecessors, (35), 26 states have return successors, (31), 26 states have call predecessors, (31), 31 states have call successors, (31) [2023-03-31 01:17:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2023-03-31 01:17:58,690 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 60 [2023-03-31 01:17:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:17:58,691 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2023-03-31 01:17:58,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 01:17:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2023-03-31 01:17:58,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-03-31 01:17:58,692 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:17:58,692 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:17:58,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:17:58,692 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:17:58,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:17:58,693 INFO L85 PathProgramCache]: Analyzing trace with hash -487464559, now seen corresponding path program 1 times [2023-03-31 01:17:58,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:17:58,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343463564] [2023-03-31 01:17:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:17:58,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:17:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:17:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:17:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:17:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:17:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:17:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:17:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:17:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:17:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-03-31 01:17:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:17:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:17:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:17:58,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:17:58,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343463564] [2023-03-31 01:17:58,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343463564] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:17:58,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:17:58,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:17:58,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662643500] [2023-03-31 01:17:58,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:17:58,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:17:58,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:17:58,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:17:58,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:17:58,974 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-03-31 01:17:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:17:59,969 INFO L93 Difference]: Finished difference Result 485 states and 599 transitions. [2023-03-31 01:17:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:17:59,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 65 [2023-03-31 01:17:59,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:17:59,977 INFO L225 Difference]: With dead ends: 485 [2023-03-31 01:17:59,977 INFO L226 Difference]: Without dead ends: 369 [2023-03-31 01:17:59,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:17:59,984 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 394 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:17:59,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 163 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:17:59,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-03-31 01:18:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 304. [2023-03-31 01:18:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 180 states have (on average 1.2833333333333334) internal successors, (231), 205 states have internal predecessors, (231), 70 states have call successors, (70), 59 states have call predecessors, (70), 53 states have return successors, (67), 54 states have call predecessors, (67), 66 states have call successors, (67) [2023-03-31 01:18:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2023-03-31 01:18:00,061 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 65 [2023-03-31 01:18:00,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:00,062 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2023-03-31 01:18:00,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-03-31 01:18:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2023-03-31 01:18:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-03-31 01:18:00,067 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:00,067 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:18:00,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:18:00,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:00,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:00,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1257326158, now seen corresponding path program 1 times [2023-03-31 01:18:00,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:00,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502711865] [2023-03-31 01:18:00,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:00,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:18:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:18:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:18:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-03-31 01:18:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 01:18:00,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:00,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502711865] [2023-03-31 01:18:00,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502711865] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:18:00,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:18:00,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:18:00,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654930989] [2023-03-31 01:18:00,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:18:00,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:18:00,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:00,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:18:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:18:00,289 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-03-31 01:18:01,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:01,051 INFO L93 Difference]: Finished difference Result 795 states and 1028 transitions. [2023-03-31 01:18:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 01:18:01,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 70 [2023-03-31 01:18:01,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:01,054 INFO L225 Difference]: With dead ends: 795 [2023-03-31 01:18:01,054 INFO L226 Difference]: Without dead ends: 519 [2023-03-31 01:18:01,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:18:01,055 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 367 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:01,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 85 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:18:01,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2023-03-31 01:18:01,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 451. [2023-03-31 01:18:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 269 states have (on average 1.2230483271375465) internal successors, (329), 291 states have internal predecessors, (329), 93 states have call successors, (93), 82 states have call predecessors, (93), 88 states have return successors, (115), 92 states have call predecessors, (115), 89 states have call successors, (115) [2023-03-31 01:18:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 537 transitions. [2023-03-31 01:18:01,100 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 537 transitions. Word has length 70 [2023-03-31 01:18:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:01,100 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 537 transitions. [2023-03-31 01:18:01,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-03-31 01:18:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 537 transitions. [2023-03-31 01:18:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-03-31 01:18:01,102 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:01,102 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:18:01,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:18:01,102 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:01,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1285375468, now seen corresponding path program 1 times [2023-03-31 01:18:01,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:01,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749196730] [2023-03-31 01:18:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:01,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-03-31 01:18:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:18:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:18:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:18:01,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:01,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749196730] [2023-03-31 01:18:01,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749196730] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:18:01,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:18:01,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:18:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968094850] [2023-03-31 01:18:01,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:18:01,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:18:01,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:01,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:18:01,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:18:01,285 INFO L87 Difference]: Start difference. First operand 451 states and 537 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-03-31 01:18:01,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:01,969 INFO L93 Difference]: Finished difference Result 967 states and 1234 transitions. [2023-03-31 01:18:01,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:18:01,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 108 [2023-03-31 01:18:01,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:01,971 INFO L225 Difference]: With dead ends: 967 [2023-03-31 01:18:01,971 INFO L226 Difference]: Without dead ends: 544 [2023-03-31 01:18:01,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:18:01,973 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 161 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:01,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 96 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:18:01,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2023-03-31 01:18:02,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 464. [2023-03-31 01:18:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 279 states have (on average 1.2150537634408602) internal successors, (339), 301 states have internal predecessors, (339), 93 states have call successors, (93), 82 states have call predecessors, (93), 91 states have return successors, (119), 94 states have call predecessors, (119), 89 states have call successors, (119) [2023-03-31 01:18:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 551 transitions. [2023-03-31 01:18:02,005 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 551 transitions. Word has length 108 [2023-03-31 01:18:02,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:02,005 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 551 transitions. [2023-03-31 01:18:02,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-03-31 01:18:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 551 transitions. [2023-03-31 01:18:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-03-31 01:18:02,007 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:02,007 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:18:02,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:18:02,007 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:02,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:02,007 INFO L85 PathProgramCache]: Analyzing trace with hash 642897234, now seen corresponding path program 1 times [2023-03-31 01:18:02,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:02,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82690814] [2023-03-31 01:18:02,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:02,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-03-31 01:18:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:18:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:18:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:18:02,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:02,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82690814] [2023-03-31 01:18:02,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82690814] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:18:02,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:18:02,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 01:18:02,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620434190] [2023-03-31 01:18:02,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:18:02,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 01:18:02,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:02,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 01:18:02,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:18:02,147 INFO L87 Difference]: Start difference. First operand 464 states and 551 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2023-03-31 01:18:02,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:02,875 INFO L93 Difference]: Finished difference Result 990 states and 1258 transitions. [2023-03-31 01:18:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-31 01:18:02,875 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 108 [2023-03-31 01:18:02,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:02,878 INFO L225 Difference]: With dead ends: 990 [2023-03-31 01:18:02,878 INFO L226 Difference]: Without dead ends: 554 [2023-03-31 01:18:02,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:18:02,879 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 242 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:02,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 118 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:18:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2023-03-31 01:18:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 472. [2023-03-31 01:18:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 285 states have (on average 1.2105263157894737) internal successors, (345), 307 states have internal predecessors, (345), 93 states have call successors, (93), 82 states have call predecessors, (93), 93 states have return successors, (121), 96 states have call predecessors, (121), 89 states have call successors, (121) [2023-03-31 01:18:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 559 transitions. [2023-03-31 01:18:02,912 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 559 transitions. Word has length 108 [2023-03-31 01:18:02,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:02,913 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 559 transitions. [2023-03-31 01:18:02,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2023-03-31 01:18:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 559 transitions. [2023-03-31 01:18:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-03-31 01:18:02,914 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:02,914 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:18:02,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:18:02,914 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:02,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:02,914 INFO L85 PathProgramCache]: Analyzing trace with hash 402357105, now seen corresponding path program 1 times [2023-03-31 01:18:02,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:02,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657221272] [2023-03-31 01:18:02,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:02,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-03-31 01:18:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:18:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:18:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:18:03,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:03,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657221272] [2023-03-31 01:18:03,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657221272] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:18:03,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:18:03,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 01:18:03,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475628111] [2023-03-31 01:18:03,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:18:03,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:18:03,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:03,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:18:03,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-31 01:18:03,056 INFO L87 Difference]: Start difference. First operand 472 states and 559 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 5 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18) [2023-03-31 01:18:03,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:03,750 INFO L93 Difference]: Finished difference Result 1471 states and 1888 transitions. [2023-03-31 01:18:03,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 01:18:03,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 5 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18) Word has length 108 [2023-03-31 01:18:03,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:03,754 INFO L225 Difference]: With dead ends: 1471 [2023-03-31 01:18:03,755 INFO L226 Difference]: Without dead ends: 1027 [2023-03-31 01:18:03,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:18:03,756 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 601 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:03,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 110 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:18:03,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2023-03-31 01:18:03,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 949. [2023-03-31 01:18:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 590 states have (on average 1.1983050847457628) internal successors, (707), 634 states have internal predecessors, (707), 184 states have call successors, (184), 167 states have call predecessors, (184), 174 states have return successors, (254), 179 states have call predecessors, (254), 180 states have call successors, (254) [2023-03-31 01:18:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1145 transitions. [2023-03-31 01:18:03,821 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1145 transitions. Word has length 108 [2023-03-31 01:18:03,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:03,821 INFO L495 AbstractCegarLoop]: Abstraction has 949 states and 1145 transitions. [2023-03-31 01:18:03,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 5 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18) [2023-03-31 01:18:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1145 transitions. [2023-03-31 01:18:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-03-31 01:18:03,823 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:03,823 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:18:03,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:18:03,824 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:03,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:03,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1232640875, now seen corresponding path program 1 times [2023-03-31 01:18:03,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:03,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950002282] [2023-03-31 01:18:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:03,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-03-31 01:18:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-03-31 01:18:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:18:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 01:18:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:18:04,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:04,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950002282] [2023-03-31 01:18:04,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950002282] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:18:04,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:18:04,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-03-31 01:18:04,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620284747] [2023-03-31 01:18:04,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:18:04,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-31 01:18:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:04,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-31 01:18:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-03-31 01:18:04,069 INFO L87 Difference]: Start difference. First operand 949 states and 1145 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (25), 8 states have call predecessors, (25), 5 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2023-03-31 01:18:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:05,629 INFO L93 Difference]: Finished difference Result 2768 states and 3599 transitions. [2023-03-31 01:18:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-31 01:18:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (25), 8 states have call predecessors, (25), 5 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 112 [2023-03-31 01:18:05,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:05,637 INFO L225 Difference]: With dead ends: 2768 [2023-03-31 01:18:05,637 INFO L226 Difference]: Without dead ends: 2039 [2023-03-31 01:18:05,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=431, Invalid=1731, Unknown=0, NotChecked=0, Total=2162 [2023-03-31 01:18:05,642 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 1159 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 758 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 2556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 758 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:05,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 298 Invalid, 2556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [758 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-03-31 01:18:05,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2023-03-31 01:18:05,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 1666. [2023-03-31 01:18:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1031 states have (on average 1.1910766246362754) internal successors, (1228), 1105 states have internal predecessors, (1228), 322 states have call successors, (322), 286 states have call predecessors, (322), 312 states have return successors, (446), 327 states have call predecessors, (446), 318 states have call successors, (446) [2023-03-31 01:18:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 1996 transitions. [2023-03-31 01:18:05,787 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 1996 transitions. Word has length 112 [2023-03-31 01:18:05,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:05,788 INFO L495 AbstractCegarLoop]: Abstraction has 1666 states and 1996 transitions. [2023-03-31 01:18:05,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 8 states have internal predecessors, (66), 6 states have call successors, (25), 8 states have call predecessors, (25), 5 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2023-03-31 01:18:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 1996 transitions. [2023-03-31 01:18:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-03-31 01:18:05,792 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:05,792 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:18:05,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 01:18:05,792 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:05,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:05,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1731338110, now seen corresponding path program 1 times [2023-03-31 01:18:05,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:05,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685703152] [2023-03-31 01:18:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:18:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:18:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:18:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:18:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:18:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:18:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:18:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-03-31 01:18:06,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:06,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685703152] [2023-03-31 01:18:06,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685703152] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:18:06,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109624232] [2023-03-31 01:18:06,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:06,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:06,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:18:06,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:18:06,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:18:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:06,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:18:06,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:18:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:18:06,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:18:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-03-31 01:18:06,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109624232] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:18:06,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:18:06,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7, 7] total 23 [2023-03-31 01:18:06,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348664607] [2023-03-31 01:18:06,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:18:06,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-03-31 01:18:06,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:06,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-03-31 01:18:06,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2023-03-31 01:18:06,880 INFO L87 Difference]: Start difference. First operand 1666 states and 1996 transitions. Second operand has 23 states, 22 states have (on average 7.181818181818182) internal successors, (158), 14 states have internal predecessors, (158), 8 states have call successors, (64), 11 states have call predecessors, (64), 10 states have return successors, (51), 9 states have call predecessors, (51), 7 states have call successors, (51) [2023-03-31 01:18:09,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:09,540 INFO L93 Difference]: Finished difference Result 3659 states and 4531 transitions. [2023-03-31 01:18:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-03-31 01:18:09,541 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.181818181818182) internal successors, (158), 14 states have internal predecessors, (158), 8 states have call successors, (64), 11 states have call predecessors, (64), 10 states have return successors, (51), 9 states have call predecessors, (51), 7 states have call successors, (51) Word has length 172 [2023-03-31 01:18:09,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:09,549 INFO L225 Difference]: With dead ends: 3659 [2023-03-31 01:18:09,550 INFO L226 Difference]: Without dead ends: 2201 [2023-03-31 01:18:09,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 409 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1752 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1113, Invalid=5049, Unknown=0, NotChecked=0, Total=6162 [2023-03-31 01:18:09,563 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 749 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 3472 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 3971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 3472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:09,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 1031 Invalid, 3971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [499 Valid, 3472 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-03-31 01:18:09,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2023-03-31 01:18:09,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 1957. [2023-03-31 01:18:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1957 states, 1212 states have (on average 1.1815181518151816) internal successors, (1432), 1316 states have internal predecessors, (1432), 385 states have call successors, (385), 353 states have call predecessors, (385), 359 states have return successors, (483), 357 states have call predecessors, (483), 381 states have call successors, (483) [2023-03-31 01:18:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2300 transitions. [2023-03-31 01:18:09,914 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2300 transitions. Word has length 172 [2023-03-31 01:18:09,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:09,915 INFO L495 AbstractCegarLoop]: Abstraction has 1957 states and 2300 transitions. [2023-03-31 01:18:09,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.181818181818182) internal successors, (158), 14 states have internal predecessors, (158), 8 states have call successors, (64), 11 states have call predecessors, (64), 10 states have return successors, (51), 9 states have call predecessors, (51), 7 states have call successors, (51) [2023-03-31 01:18:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2300 transitions. [2023-03-31 01:18:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-03-31 01:18:09,935 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:09,935 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:18:09,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 01:18:10,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:10,141 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:10,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:10,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1722620231, now seen corresponding path program 1 times [2023-03-31 01:18:10,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:10,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389599089] [2023-03-31 01:18:10,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:10,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:18:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:18:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:18:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 01:18:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 01:18:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-03-31 01:18:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-03-31 01:18:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-03-31 01:18:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-03-31 01:18:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-03-31 01:18:10,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:10,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389599089] [2023-03-31 01:18:10,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389599089] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:18:10,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657039842] [2023-03-31 01:18:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:10,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:10,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:18:10,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:18:10,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 01:18:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:10,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 22 conjunts are in the unsatisfiable core [2023-03-31 01:18:10,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:18:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 230 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-03-31 01:18:10,949 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:18:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-03-31 01:18:11,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657039842] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:18:11,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:18:11,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 33 [2023-03-31 01:18:11,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541371229] [2023-03-31 01:18:11,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:18:11,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-03-31 01:18:11,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-03-31 01:18:11,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2023-03-31 01:18:11,745 INFO L87 Difference]: Start difference. First operand 1957 states and 2300 transitions. Second operand has 33 states, 32 states have (on average 6.90625) internal successors, (221), 24 states have internal predecessors, (221), 13 states have call successors, (97), 11 states have call predecessors, (97), 18 states have return successors, (88), 18 states have call predecessors, (88), 13 states have call successors, (88) [2023-03-31 01:18:14,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:14,647 INFO L93 Difference]: Finished difference Result 5146 states and 7056 transitions. [2023-03-31 01:18:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-03-31 01:18:14,647 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 6.90625) internal successors, (221), 24 states have internal predecessors, (221), 13 states have call successors, (97), 11 states have call predecessors, (97), 18 states have return successors, (88), 18 states have call predecessors, (88), 13 states have call successors, (88) Word has length 303 [2023-03-31 01:18:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:14,664 INFO L225 Difference]: With dead ends: 5146 [2023-03-31 01:18:14,664 INFO L226 Difference]: Without dead ends: 3240 [2023-03-31 01:18:14,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 713 SyntacticMatches, 7 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1489 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1035, Invalid=4665, Unknown=0, NotChecked=0, Total=5700 [2023-03-31 01:18:14,671 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1904 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 2870 mSolverCounterSat, 1518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 4388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1518 IncrementalHoareTripleChecker+Valid, 2870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:14,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1904 Valid, 851 Invalid, 4388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1518 Valid, 2870 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-03-31 01:18:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2023-03-31 01:18:14,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2189. [2023-03-31 01:18:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2189 states, 1356 states have (on average 1.1688790560471976) internal successors, (1585), 1461 states have internal predecessors, (1585), 440 states have call successors, (440), 400 states have call predecessors, (440), 392 states have return successors, (542), 400 states have call predecessors, (542), 436 states have call successors, (542) [2023-03-31 01:18:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 2567 transitions. [2023-03-31 01:18:14,912 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 2567 transitions. Word has length 303 [2023-03-31 01:18:14,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:14,913 INFO L495 AbstractCegarLoop]: Abstraction has 2189 states and 2567 transitions. [2023-03-31 01:18:14,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 6.90625) internal successors, (221), 24 states have internal predecessors, (221), 13 states have call successors, (97), 11 states have call predecessors, (97), 18 states have return successors, (88), 18 states have call predecessors, (88), 13 states have call successors, (88) [2023-03-31 01:18:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2567 transitions. [2023-03-31 01:18:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-03-31 01:18:14,919 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:14,919 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:18:14,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 01:18:15,126 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,SelfDestructingSolverStorable9 [2023-03-31 01:18:15,126 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:15,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:15,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1038690007, now seen corresponding path program 1 times [2023-03-31 01:18:15,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:15,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174826014] [2023-03-31 01:18:15,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:15,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:18:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:18:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:18:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 01:18:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 01:18:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-03-31 01:18:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-03-31 01:18:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-03-31 01:18:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-03-31 01:18:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-03-31 01:18:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-03-31 01:18:15,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:15,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174826014] [2023-03-31 01:18:15,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174826014] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:18:15,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442853013] [2023-03-31 01:18:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:15,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:15,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:18:15,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:18:15,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 01:18:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:15,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 12 conjunts are in the unsatisfiable core [2023-03-31 01:18:15,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:18:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 269 proven. 16 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-03-31 01:18:15,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:18:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 98 proven. 55 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-03-31 01:18:16,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442853013] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:18:16,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:18:16,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 9] total 27 [2023-03-31 01:18:16,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837549072] [2023-03-31 01:18:16,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:18:16,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-03-31 01:18:16,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:16,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-03-31 01:18:16,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:18:16,596 INFO L87 Difference]: Start difference. First operand 2189 states and 2567 transitions. Second operand has 27 states, 26 states have (on average 8.73076923076923) internal successors, (227), 18 states have internal predecessors, (227), 8 states have call successors, (93), 10 states have call predecessors, (93), 14 states have return successors, (84), 12 states have call predecessors, (84), 8 states have call successors, (84) [2023-03-31 01:18:18,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:18,477 INFO L93 Difference]: Finished difference Result 4215 states and 5030 transitions. [2023-03-31 01:18:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-03-31 01:18:18,477 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.73076923076923) internal successors, (227), 18 states have internal predecessors, (227), 8 states have call successors, (93), 10 states have call predecessors, (93), 14 states have return successors, (84), 12 states have call predecessors, (84), 8 states have call successors, (84) Word has length 319 [2023-03-31 01:18:18,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:18,491 INFO L225 Difference]: With dead ends: 4215 [2023-03-31 01:18:18,491 INFO L226 Difference]: Without dead ends: 2257 [2023-03-31 01:18:18,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 751 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=498, Invalid=2154, Unknown=0, NotChecked=0, Total=2652 [2023-03-31 01:18:18,496 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 1166 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 2657 mSolverCounterSat, 791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 3448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 2657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:18,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 464 Invalid, 3448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [791 Valid, 2657 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 01:18:18,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2023-03-31 01:18:18,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2191. [2023-03-31 01:18:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 1357 states have (on average 1.1643330876934415) internal successors, (1580), 1463 states have internal predecessors, (1580), 440 states have call successors, (440), 400 states have call predecessors, (440), 393 states have return successors, (543), 400 states have call predecessors, (543), 436 states have call successors, (543) [2023-03-31 01:18:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 2563 transitions. [2023-03-31 01:18:18,678 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 2563 transitions. Word has length 319 [2023-03-31 01:18:18,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:18,678 INFO L495 AbstractCegarLoop]: Abstraction has 2191 states and 2563 transitions. [2023-03-31 01:18:18,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.73076923076923) internal successors, (227), 18 states have internal predecessors, (227), 8 states have call successors, (93), 10 states have call predecessors, (93), 14 states have return successors, (84), 12 states have call predecessors, (84), 8 states have call successors, (84) [2023-03-31 01:18:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2563 transitions. [2023-03-31 01:18:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-03-31 01:18:18,685 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:18,685 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:18:18,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 01:18:18,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:18,892 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:18,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:18,892 INFO L85 PathProgramCache]: Analyzing trace with hash -68367180, now seen corresponding path program 1 times [2023-03-31 01:18:18,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:18,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495526841] [2023-03-31 01:18:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:18:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:18:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:18:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 01:18:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 01:18:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-03-31 01:18:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-03-31 01:18:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-03-31 01:18:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-03-31 01:18:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-03-31 01:18:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 85 proven. 21 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-03-31 01:18:19,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:19,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495526841] [2023-03-31 01:18:19,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495526841] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:18:19,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231667690] [2023-03-31 01:18:19,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:19,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:19,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:18:19,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:18:19,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 01:18:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:19,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 28 conjunts are in the unsatisfiable core [2023-03-31 01:18:19,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:18:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 197 proven. 16 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-03-31 01:18:19,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:18:20,473 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 98 proven. 27 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-03-31 01:18:20,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231667690] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:18:20,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:18:20,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8, 13] total 30 [2023-03-31 01:18:20,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472285871] [2023-03-31 01:18:20,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:18:20,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-03-31 01:18:20,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:20,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-03-31 01:18:20,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=735, Unknown=0, NotChecked=0, Total=870 [2023-03-31 01:18:20,475 INFO L87 Difference]: Start difference. First operand 2191 states and 2563 transitions. Second operand has 30 states, 29 states have (on average 7.827586206896552) internal successors, (227), 21 states have internal predecessors, (227), 16 states have call successors, (99), 13 states have call predecessors, (99), 16 states have return successors, (98), 17 states have call predecessors, (98), 16 states have call successors, (98) [2023-03-31 01:18:26,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:26,121 INFO L93 Difference]: Finished difference Result 9266 states and 12257 transitions. [2023-03-31 01:18:26,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-03-31 01:18:26,121 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.827586206896552) internal successors, (227), 21 states have internal predecessors, (227), 16 states have call successors, (99), 13 states have call predecessors, (99), 16 states have return successors, (98), 17 states have call predecessors, (98), 16 states have call successors, (98) Word has length 320 [2023-03-31 01:18:26,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:26,151 INFO L225 Difference]: With dead ends: 9266 [2023-03-31 01:18:26,151 INFO L226 Difference]: Without dead ends: 6881 [2023-03-31 01:18:26,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 756 SyntacticMatches, 11 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5901 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2998, Invalid=14294, Unknown=0, NotChecked=0, Total=17292 [2023-03-31 01:18:26,162 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 2703 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 7513 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2703 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 9530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 7513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:26,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2703 Valid, 1772 Invalid, 9530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 7513 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-03-31 01:18:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6881 states. [2023-03-31 01:18:26,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6881 to 5067. [2023-03-31 01:18:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5067 states, 3147 states have (on average 1.138544645694312) internal successors, (3583), 3374 states have internal predecessors, (3583), 1027 states have call successors, (1027), 953 states have call predecessors, (1027), 892 states have return successors, (1205), 887 states have call predecessors, (1205), 1023 states have call successors, (1205) [2023-03-31 01:18:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 5067 states and 5815 transitions. [2023-03-31 01:18:26,679 INFO L78 Accepts]: Start accepts. Automaton has 5067 states and 5815 transitions. Word has length 320 [2023-03-31 01:18:26,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:26,679 INFO L495 AbstractCegarLoop]: Abstraction has 5067 states and 5815 transitions. [2023-03-31 01:18:26,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.827586206896552) internal successors, (227), 21 states have internal predecessors, (227), 16 states have call successors, (99), 13 states have call predecessors, (99), 16 states have return successors, (98), 17 states have call predecessors, (98), 16 states have call successors, (98) [2023-03-31 01:18:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 5815 transitions. [2023-03-31 01:18:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2023-03-31 01:18:26,690 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:26,690 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:18:26,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 01:18:26,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:26,896 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:26,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:26,896 INFO L85 PathProgramCache]: Analyzing trace with hash 540720445, now seen corresponding path program 1 times [2023-03-31 01:18:26,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:26,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589888099] [2023-03-31 01:18:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:26,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:18:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:18:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:18:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:18:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-03-31 01:18:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-03-31 01:18:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 01:18:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-03-31 01:18:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-03-31 01:18:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:18:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-03-31 01:18:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-03-31 01:18:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-03-31 01:18:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2023-03-31 01:18:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2023-03-31 01:18:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 88 proven. 12 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-03-31 01:18:27,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:27,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589888099] [2023-03-31 01:18:27,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589888099] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:18:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822871240] [2023-03-31 01:18:27,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:18:27,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:18:27,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 01:18:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:27,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:18:27,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:18:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-03-31 01:18:27,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:18:27,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822871240] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:18:27,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:18:27,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 11 [2023-03-31 01:18:27,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432784587] [2023-03-31 01:18:27,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:18:27,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:18:27,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:27,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:18:27,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:18:27,402 INFO L87 Difference]: Start difference. First operand 5067 states and 5815 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-03-31 01:18:27,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:27,724 INFO L93 Difference]: Finished difference Result 8280 states and 9532 transitions. [2023-03-31 01:18:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:18:27,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 398 [2023-03-31 01:18:27,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:27,734 INFO L225 Difference]: With dead ends: 8280 [2023-03-31 01:18:27,734 INFO L226 Difference]: Without dead ends: 3277 [2023-03-31 01:18:27,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:18:27,741 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 44 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:27,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 370 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:18:27,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3277 states. [2023-03-31 01:18:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3277 to 3197. [2023-03-31 01:18:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3197 states, 1969 states have (on average 1.12798374809548) internal successors, (2221), 2140 states have internal predecessors, (2221), 659 states have call successors, (659), 614 states have call predecessors, (659), 568 states have return successors, (725), 558 states have call predecessors, (725), 655 states have call successors, (725) [2023-03-31 01:18:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 3605 transitions. [2023-03-31 01:18:28,004 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 3605 transitions. Word has length 398 [2023-03-31 01:18:28,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:28,005 INFO L495 AbstractCegarLoop]: Abstraction has 3197 states and 3605 transitions. [2023-03-31 01:18:28,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-03-31 01:18:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 3605 transitions. [2023-03-31 01:18:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2023-03-31 01:18:28,012 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:28,022 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:18:28,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 01:18:28,228 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 [2023-03-31 01:18:28,228 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:28,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:28,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1573321590, now seen corresponding path program 1 times [2023-03-31 01:18:28,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:28,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104581647] [2023-03-31 01:18:28,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:28,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:18:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:18:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:18:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 01:18:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-03-31 01:18:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 01:18:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-03-31 01:18:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-03-31 01:18:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-03-31 01:18:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-03-31 01:18:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-03-31 01:18:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-03-31 01:18:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-03-31 01:18:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-03-31 01:18:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2023-03-31 01:18:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 131 proven. 4 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2023-03-31 01:18:28,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:28,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104581647] [2023-03-31 01:18:28,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104581647] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:18:28,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060937198] [2023-03-31 01:18:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:28,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:28,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:18:28,621 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:18:28,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 01:18:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:28,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 9 conjunts are in the unsatisfiable core [2023-03-31 01:18:28,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:18:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-03-31 01:18:29,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:18:29,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060937198] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:18:29,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:18:29,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [21] total 26 [2023-03-31 01:18:29,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218567447] [2023-03-31 01:18:29,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:18:29,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:18:29,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:29,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:18:29,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2023-03-31 01:18:29,138 INFO L87 Difference]: Start difference. First operand 3197 states and 3605 transitions. Second operand has 8 states, 8 states have (on average 20.625) internal successors, (165), 6 states have internal predecessors, (165), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (50), 5 states have call predecessors, (50), 3 states have call successors, (50) [2023-03-31 01:18:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:29,531 INFO L93 Difference]: Finished difference Result 6008 states and 6794 transitions. [2023-03-31 01:18:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:18:29,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.625) internal successors, (165), 6 states have internal predecessors, (165), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (50), 5 states have call predecessors, (50), 3 states have call successors, (50) Word has length 374 [2023-03-31 01:18:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:29,541 INFO L225 Difference]: With dead ends: 6008 [2023-03-31 01:18:29,542 INFO L226 Difference]: Without dead ends: 3103 [2023-03-31 01:18:29,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2023-03-31 01:18:29,578 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 19 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:29,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1282 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 01:18:29,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2023-03-31 01:18:29,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 3093. [2023-03-31 01:18:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 1906 states have (on average 1.1269674711437565) internal successors, (2148), 2066 states have internal predecessors, (2148), 642 states have call successors, (642), 598 states have call predecessors, (642), 544 states have return successors, (692), 534 states have call predecessors, (692), 638 states have call successors, (692) [2023-03-31 01:18:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 3482 transitions. [2023-03-31 01:18:29,844 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 3482 transitions. Word has length 374 [2023-03-31 01:18:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:29,844 INFO L495 AbstractCegarLoop]: Abstraction has 3093 states and 3482 transitions. [2023-03-31 01:18:29,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.625) internal successors, (165), 6 states have internal predecessors, (165), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (50), 5 states have call predecessors, (50), 3 states have call successors, (50) [2023-03-31 01:18:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 3482 transitions. [2023-03-31 01:18:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2023-03-31 01:18:29,851 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:18:29,852 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:18:29,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-03-31 01:18:30,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:30,057 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:18:30,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:18:30,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1605803408, now seen corresponding path program 1 times [2023-03-31 01:18:30,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:18:30,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623406116] [2023-03-31 01:18:30,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:30,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:18:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:18:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:18:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 01:18:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:18:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:18:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:18:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:18:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:18:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 01:18:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-03-31 01:18:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:18:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-03-31 01:18:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:18:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-03-31 01:18:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-03-31 01:18:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-03-31 01:18:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-03-31 01:18:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-03-31 01:18:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:18:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 01:18:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-03-31 01:18:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-03-31 01:18:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-03-31 01:18:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:18:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-03-31 01:18:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:18:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:18:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:18:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:18:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-03-31 01:18:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-03-31 01:18:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 90 proven. 101 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2023-03-31 01:18:30,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:18:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623406116] [2023-03-31 01:18:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623406116] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:18:30,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826250061] [2023-03-31 01:18:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:18:30,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:30,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:18:30,914 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:18:30,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-31 01:18:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:18:31,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 42 conjunts are in the unsatisfiable core [2023-03-31 01:18:31,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:18:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 224 proven. 46 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2023-03-31 01:18:31,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:18:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 111 proven. 71 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-03-31 01:18:32,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826250061] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:18:32,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:18:32,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 17] total 39 [2023-03-31 01:18:32,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605287144] [2023-03-31 01:18:32,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:18:32,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-03-31 01:18:32,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:18:32,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-03-31 01:18:32,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1261, Unknown=0, NotChecked=0, Total=1482 [2023-03-31 01:18:32,481 INFO L87 Difference]: Start difference. First operand 3093 states and 3482 transitions. Second operand has 39 states, 38 states have (on average 7.2631578947368425) internal successors, (276), 29 states have internal predecessors, (276), 20 states have call successors, (115), 17 states have call predecessors, (115), 24 states have return successors, (112), 20 states have call predecessors, (112), 20 states have call successors, (112) [2023-03-31 01:18:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:18:36,582 INFO L93 Difference]: Finished difference Result 5890 states and 7225 transitions. [2023-03-31 01:18:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-03-31 01:18:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 7.2631578947368425) internal successors, (276), 29 states have internal predecessors, (276), 20 states have call successors, (115), 17 states have call predecessors, (115), 24 states have return successors, (112), 20 states have call predecessors, (112), 20 states have call successors, (112) Word has length 378 [2023-03-31 01:18:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:18:36,584 INFO L225 Difference]: With dead ends: 5890 [2023-03-31 01:18:36,584 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:18:36,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 890 SyntacticMatches, 16 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2691 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1653, Invalid=7853, Unknown=0, NotChecked=0, Total=9506 [2023-03-31 01:18:36,596 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 2468 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 4954 mSolverCounterSat, 1735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2468 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 6689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1735 IncrementalHoareTripleChecker+Valid, 4954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:18:36,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2468 Valid, 1213 Invalid, 6689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1735 Valid, 4954 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-03-31 01:18:36,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:18:36,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:18:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 01:18:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:18:36,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2023-03-31 01:18:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:18:36,597 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:18:36,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 7.2631578947368425) internal successors, (276), 29 states have internal predecessors, (276), 20 states have call successors, (115), 17 states have call predecessors, (115), 24 states have return successors, (112), 20 states have call predecessors, (112), 20 states have call successors, (112) [2023-03-31 01:18:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:18:36,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:18:36,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:18:36,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-31 01:18:36,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:18:36,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.