/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_spec4_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:15:53,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:15:53,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:15:53,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:15:53,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:15:53,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:15:53,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:15:53,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:15:53,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:15:53,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:15:53,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:15:53,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:15:53,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:15:53,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:15:53,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:15:53,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:15:53,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:15:53,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:15:53,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:15:53,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:15:53,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:15:53,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:15:53,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:15:53,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:15:53,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:15:53,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:15:53,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:15:53,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:15:53,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:15:53,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:15:53,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:15:53,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:15:53,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:15:53,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:15:53,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:15:53,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:15:53,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:15:53,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:15:53,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:15:53,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:15:53,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:15:53,462 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 01:15:53,488 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:15:53,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:15:53,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:15:53,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:15:53,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:15:53,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:15:53,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:15:53,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:15:53,489 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:15:53,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:15:53,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:15:53,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:53,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:15:53,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:15:53,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:15:53,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:15:53,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:15:53,492 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:15:53,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:15:53,492 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:15:53,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:15:53,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:15:53,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:15:53,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:15:53,726 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:15:53,727 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:15:53,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2023-03-31 01:15:54,773 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:15:54,954 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:15:54,955 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2023-03-31 01:15:54,962 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cebd7ef0/c4ef2f9daabb4315a638344ce5e44f43/FLAGf77fd948a [2023-03-31 01:15:54,973 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cebd7ef0/c4ef2f9daabb4315a638344ce5e44f43 [2023-03-31 01:15:54,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:15:54,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:15:54,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:54,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:15:54,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:15:54,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:54" (1/1) ... [2023-03-31 01:15:54,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cd66ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:54, skipping insertion in model container [2023-03-31 01:15:54,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:54" (1/1) ... [2023-03-31 01:15:54,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:15:55,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:15:55,184 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_spec4_product55.cil.c[6887,6900] [2023-03-31 01:15:55,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:55,269 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:15:55,298 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_spec4_product55.cil.c[6887,6900] [2023-03-31 01:15:55,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:55,329 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:15:55,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55 WrapperNode [2023-03-31 01:15:55,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:55,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:15:55,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:15:55,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:15:55,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,375 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:15:55,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:15:55,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:15:55,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:15:55,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (1/1) ... [2023-03-31 01:15:55,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:55,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:55,407 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 01:15:55,418 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 01:15:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:15:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:15:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:15:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:15:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 01:15:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 01:15:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 01:15:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:15:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:15:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:15:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:15:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:15:55,616 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:15:55,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:15:56,160 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:15:56,166 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:15:56,166 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:15:56,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:56 BoogieIcfgContainer [2023-03-31 01:15:56,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:15:56,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:15:56,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:15:56,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:15:56,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:15:54" (1/3) ... [2023-03-31 01:15:56,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328f71a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:56, skipping insertion in model container [2023-03-31 01:15:56,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:55" (2/3) ... [2023-03-31 01:15:56,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328f71a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:56, skipping insertion in model container [2023-03-31 01:15:56,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:56" (3/3) ... [2023-03-31 01:15:56,174 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2023-03-31 01:15:56,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:15:56,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:15:56,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:15:56,227 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;@689db306, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:15:56,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:15:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 124 states have internal predecessors, (140), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2023-03-31 01:15:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:15:56,238 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:56,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:56,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:56,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:56,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1901777367, now seen corresponding path program 1 times [2023-03-31 01:15:56,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:56,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661368643] [2023-03-31 01:15:56,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:56,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:15:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:56,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:56,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661368643] [2023-03-31 01:15:56,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661368643] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:56,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:56,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:15:56,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88997803] [2023-03-31 01:15:56,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:56,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:15:56,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:56,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:15:56,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:56,541 INFO L87 Difference]: Start difference. First operand has 195 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 124 states have internal predecessors, (140), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:57,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:57,053 INFO L93 Difference]: Finished difference Result 349 states and 454 transitions. [2023-03-31 01:15:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:15:57,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-03-31 01:15:57,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:57,065 INFO L225 Difference]: With dead ends: 349 [2023-03-31 01:15:57,065 INFO L226 Difference]: Without dead ends: 188 [2023-03-31 01:15:57,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:57,073 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 111 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:57,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 26 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:57,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-03-31 01:15:57,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 152. [2023-03-31 01:15:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 89 states have (on average 1.247191011235955) internal successors, (111), 102 states have internal predecessors, (111), 37 states have call successors, (37), 30 states have call predecessors, (37), 25 states have return successors, (32), 26 states have call predecessors, (32), 32 states have call successors, (32) [2023-03-31 01:15:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2023-03-31 01:15:57,144 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 46 [2023-03-31 01:15:57,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:57,145 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2023-03-31 01:15:57,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2023-03-31 01:15:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:15:57,153 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:57,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:57,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:15:57,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:57,155 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:57,155 INFO L85 PathProgramCache]: Analyzing trace with hash -2061307397, now seen corresponding path program 1 times [2023-03-31 01:15:57,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:57,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230722502] [2023-03-31 01:15:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:57,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:15:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230722502] [2023-03-31 01:15:57,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230722502] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:57,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:57,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:15:57,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218736341] [2023-03-31 01:15:57,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:57,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:15:57,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:57,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:15:57,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:15:57,292 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:57,641 INFO L93 Difference]: Finished difference Result 276 states and 337 transitions. [2023-03-31 01:15:57,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:15:57,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-03-31 01:15:57,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:57,643 INFO L225 Difference]: With dead ends: 276 [2023-03-31 01:15:57,643 INFO L226 Difference]: Without dead ends: 172 [2023-03-31 01:15:57,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:15:57,645 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 121 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:57,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 33 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:15:57,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-03-31 01:15:57,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 143. [2023-03-31 01:15:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 83 states have (on average 1.2530120481927711) internal successors, (104), 96 states have internal predecessors, (104), 34 states have call successors, (34), 29 states have call predecessors, (34), 25 states have return successors, (30), 24 states have call predecessors, (30), 30 states have call successors, (30) [2023-03-31 01:15:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2023-03-31 01:15:57,679 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 47 [2023-03-31 01:15:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:57,679 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2023-03-31 01:15:57,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2023-03-31 01:15:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-03-31 01:15:57,680 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:57,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:57,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:15:57,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:57,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:57,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1721838949, now seen corresponding path program 1 times [2023-03-31 01:15:57,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:57,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452652756] [2023-03-31 01:15:57,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:57,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:15:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:57,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:57,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452652756] [2023-03-31 01:15:57,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452652756] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:57,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:57,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:15:57,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927423163] [2023-03-31 01:15:57,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:57,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:15:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:57,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:15:57,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:15:57,946 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:58,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:58,747 INFO L93 Difference]: Finished difference Result 485 states and 602 transitions. [2023-03-31 01:15:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:15:58,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-03-31 01:15:58,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:58,750 INFO L225 Difference]: With dead ends: 485 [2023-03-31 01:15:58,750 INFO L226 Difference]: Without dead ends: 366 [2023-03-31 01:15:58,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-03-31 01:15:58,752 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 391 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:58,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 108 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:15:58,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-03-31 01:15:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 304. [2023-03-31 01:15:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 183 states have (on average 1.284153005464481) internal successors, (235), 209 states have internal predecessors, (235), 68 states have call successors, (68), 58 states have call predecessors, (68), 52 states have return successors, (65), 48 states have call predecessors, (65), 64 states have call successors, (65) [2023-03-31 01:15:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2023-03-31 01:15:58,790 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 51 [2023-03-31 01:15:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:58,790 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2023-03-31 01:15:58,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2023-03-31 01:15:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-03-31 01:15:58,791 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:58,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:58,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:15:58,792 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:58,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:58,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1053801799, now seen corresponding path program 1 times [2023-03-31 01:15:58,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:58,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138848442] [2023-03-31 01:15:58,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:58,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:15:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 01:15:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:58,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:58,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138848442] [2023-03-31 01:15:58,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138848442] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:59,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:59,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:15:59,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513033014] [2023-03-31 01:15:59,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:59,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:15:59,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:59,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:15:59,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:59,002 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:16:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:00,244 INFO L93 Difference]: Finished difference Result 1237 states and 1698 transitions. [2023-03-31 01:16:00,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:16:00,244 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 57 [2023-03-31 01:16:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:00,249 INFO L225 Difference]: With dead ends: 1237 [2023-03-31 01:16:00,249 INFO L226 Difference]: Without dead ends: 957 [2023-03-31 01:16:00,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:16:00,252 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 697 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:00,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 127 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-31 01:16:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2023-03-31 01:16:00,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 860. [2023-03-31 01:16:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 518 states have (on average 1.2586872586872586) internal successors, (652), 594 states have internal predecessors, (652), 184 states have call successors, (184), 147 states have call predecessors, (184), 157 states have return successors, (266), 146 states have call predecessors, (266), 180 states have call successors, (266) [2023-03-31 01:16:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1102 transitions. [2023-03-31 01:16:00,339 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1102 transitions. Word has length 57 [2023-03-31 01:16:00,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:00,339 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1102 transitions. [2023-03-31 01:16:00,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:16:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1102 transitions. [2023-03-31 01:16:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-03-31 01:16:00,341 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:00,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:16:00,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:16:00,342 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:00,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:00,342 INFO L85 PathProgramCache]: Analyzing trace with hash -997910483, now seen corresponding path program 1 times [2023-03-31 01:16:00,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:00,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17450733] [2023-03-31 01:16:00,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:00,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:16:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:16:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-03-31 01:16:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:16:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:00,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:00,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17450733] [2023-03-31 01:16:00,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17450733] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:00,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:00,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:16:00,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101268900] [2023-03-31 01:16:00,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:00,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:00,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:00,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:00,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:16:00,472 INFO L87 Difference]: Start difference. First operand 860 states and 1102 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:16:00,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:00,997 INFO L93 Difference]: Finished difference Result 2013 states and 2775 transitions. [2023-03-31 01:16:00,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 01:16:00,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2023-03-31 01:16:00,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:01,003 INFO L225 Difference]: With dead ends: 2013 [2023-03-31 01:16:01,003 INFO L226 Difference]: Without dead ends: 1177 [2023-03-31 01:16:01,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:16:01,023 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 508 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:01,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 59 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:16:01,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-03-31 01:16:01,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1090. [2023-03-31 01:16:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 671 states have (on average 1.2205663189269746) internal successors, (819), 724 states have internal predecessors, (819), 203 states have call successors, (203), 177 states have call predecessors, (203), 215 states have return successors, (356), 220 states have call predecessors, (356), 199 states have call successors, (356) [2023-03-31 01:16:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1378 transitions. [2023-03-31 01:16:01,102 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1378 transitions. Word has length 61 [2023-03-31 01:16:01,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:01,103 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1378 transitions. [2023-03-31 01:16:01,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:16:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1378 transitions. [2023-03-31 01:16:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-03-31 01:16:01,104 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:01,104 INFO L195 NwaCegarLoop]: trace histogram [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 01:16:01,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:16:01,105 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:01,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:01,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1832974188, now seen corresponding path program 1 times [2023-03-31 01:16:01,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:01,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782120045] [2023-03-31 01:16:01,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:01,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:16:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-03-31 01:16:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-03-31 01:16:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-03-31 01:16:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-03-31 01:16:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:16:01,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:01,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782120045] [2023-03-31 01:16:01,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782120045] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:01,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617315331] [2023-03-31 01:16:01,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:01,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:01,335 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 01:16:01,361 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 01:16:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjunts are in the unsatisfiable core [2023-03-31 01:16:01,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 01:16:01,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:16:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:16:01,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617315331] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:16:01,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:16:01,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-03-31 01:16:01,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533808138] [2023-03-31 01:16:01,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:16:01,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:16:01,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:01,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:16:01,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:16:01,884 INFO L87 Difference]: Start difference. First operand 1090 states and 1378 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-03-31 01:16:05,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:05,837 INFO L93 Difference]: Finished difference Result 2993 states and 3991 transitions. [2023-03-31 01:16:05,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-03-31 01:16:05,837 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 88 [2023-03-31 01:16:05,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:05,846 INFO L225 Difference]: With dead ends: 2993 [2023-03-31 01:16:05,846 INFO L226 Difference]: Without dead ends: 2184 [2023-03-31 01:16:05,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 216 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2964 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1543, Invalid=7199, Unknown=0, NotChecked=0, Total=8742 [2023-03-31 01:16:05,851 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1625 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 4090 mSolverCounterSat, 1061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 5151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1061 IncrementalHoareTripleChecker+Valid, 4090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:05,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 307 Invalid, 5151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1061 Valid, 4090 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-03-31 01:16:05,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2023-03-31 01:16:05,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 1911. [2023-03-31 01:16:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1198 states have (on average 1.2145242070116862) internal successors, (1455), 1278 states have internal predecessors, (1455), 339 states have call successors, (339), 315 states have call predecessors, (339), 373 states have return successors, (576), 361 states have call predecessors, (576), 335 states have call successors, (576) [2023-03-31 01:16:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2370 transitions. [2023-03-31 01:16:05,997 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2370 transitions. Word has length 88 [2023-03-31 01:16:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:05,998 INFO L495 AbstractCegarLoop]: Abstraction has 1911 states and 2370 transitions. [2023-03-31 01:16:05,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-03-31 01:16:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2370 transitions. [2023-03-31 01:16:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 01:16:06,002 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:06,002 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:06,010 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 01:16:06,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 01:16:06,207 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:06,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:06,208 INFO L85 PathProgramCache]: Analyzing trace with hash 687960236, now seen corresponding path program 1 times [2023-03-31 01:16:06,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:06,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531419250] [2023-03-31 01:16:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 01:16:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:16:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:16:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:16:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-03-31 01:16:06,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:06,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531419250] [2023-03-31 01:16:06,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531419250] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:06,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220621525] [2023-03-31 01:16:06,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:06,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:06,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:06,439 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 01:16:06,510 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 01:16:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:16:06,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:16:06,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:16:07,009 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 01:16:07,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220621525] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:16:07,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:16:07,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2023-03-31 01:16:07,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040110566] [2023-03-31 01:16:07,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:16:07,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-31 01:16:07,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:07,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-31 01:16:07,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:16:07,011 INFO L87 Difference]: Start difference. First operand 1911 states and 2370 transitions. Second operand has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 9 states have internal predecessors, (134), 6 states have call successors, (49), 9 states have call predecessors, (49), 5 states have return successors, (42), 7 states have call predecessors, (42), 6 states have call successors, (42) [2023-03-31 01:16:08,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:08,249 INFO L93 Difference]: Finished difference Result 3831 states and 4896 transitions. [2023-03-31 01:16:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-03-31 01:16:08,249 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 9 states have internal predecessors, (134), 6 states have call successors, (49), 9 states have call predecessors, (49), 5 states have return successors, (42), 7 states have call predecessors, (42), 6 states have call successors, (42) Word has length 155 [2023-03-31 01:16:08,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:08,258 INFO L225 Difference]: With dead ends: 3831 [2023-03-31 01:16:08,258 INFO L226 Difference]: Without dead ends: 1990 [2023-03-31 01:16:08,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 362 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:16:08,264 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 536 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:08,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 365 Invalid, 2075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1779 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-31 01:16:08,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2023-03-31 01:16:08,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1956. [2023-03-31 01:16:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1249 states have (on average 1.1969575660528422) internal successors, (1495), 1338 states have internal predecessors, (1495), 338 states have call successors, (338), 314 states have call predecessors, (338), 368 states have return successors, (479), 357 states have call predecessors, (479), 334 states have call successors, (479) [2023-03-31 01:16:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2312 transitions. [2023-03-31 01:16:08,414 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2312 transitions. Word has length 155 [2023-03-31 01:16:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:08,414 INFO L495 AbstractCegarLoop]: Abstraction has 1956 states and 2312 transitions. [2023-03-31 01:16:08,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 9 states have internal predecessors, (134), 6 states have call successors, (49), 9 states have call predecessors, (49), 5 states have return successors, (42), 7 states have call predecessors, (42), 6 states have call successors, (42) [2023-03-31 01:16:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2312 transitions. [2023-03-31 01:16:08,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 01:16:08,417 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:08,417 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:08,426 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 01:16:08,622 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,SelfDestructingSolverStorable6 [2023-03-31 01:16:08,622 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:08,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:08,625 INFO L85 PathProgramCache]: Analyzing trace with hash -726388850, now seen corresponding path program 1 times [2023-03-31 01:16:08,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:08,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301062101] [2023-03-31 01:16:08,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:08,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 01:16:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:16:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:16:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:16:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:16:08,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:08,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301062101] [2023-03-31 01:16:08,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301062101] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:08,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535272923] [2023-03-31 01:16:08,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:08,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:08,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:08,858 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 01:16:08,865 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 01:16:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 5 conjunts are in the unsatisfiable core [2023-03-31 01:16:09,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:16:09,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:09,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535272923] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:09,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:09,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-03-31 01:16:09,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210499233] [2023-03-31 01:16:09,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:09,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 01:16:09,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:09,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 01:16:09,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:09,041 INFO L87 Difference]: Start difference. First operand 1956 states and 2312 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 01:16:09,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:09,205 INFO L93 Difference]: Finished difference Result 3541 states and 4248 transitions. [2023-03-31 01:16:09,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:16:09,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2023-03-31 01:16:09,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:09,213 INFO L225 Difference]: With dead ends: 3541 [2023-03-31 01:16:09,213 INFO L226 Difference]: Without dead ends: 1662 [2023-03-31 01:16:09,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:09,219 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 3 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:09,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 659 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:09,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2023-03-31 01:16:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1620. [2023-03-31 01:16:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1038 states have (on average 1.188824662813102) internal successors, (1234), 1108 states have internal predecessors, (1234), 287 states have call successors, (287), 272 states have call predecessors, (287), 294 states have return successors, (386), 285 states have call predecessors, (386), 283 states have call successors, (386) [2023-03-31 01:16:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 1907 transitions. [2023-03-31 01:16:09,368 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 1907 transitions. Word has length 153 [2023-03-31 01:16:09,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:09,368 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 1907 transitions. [2023-03-31 01:16:09,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 01:16:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 1907 transitions. [2023-03-31 01:16:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-03-31 01:16:09,372 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:09,373 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:09,380 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 01:16:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:09,578 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:09,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:09,579 INFO L85 PathProgramCache]: Analyzing trace with hash -204249675, now seen corresponding path program 1 times [2023-03-31 01:16:09,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:09,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181415506] [2023-03-31 01:16:09,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:16:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:16:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:16:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:16:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-31 01:16:09,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:09,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181415506] [2023-03-31 01:16:09,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181415506] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:09,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608266777] [2023-03-31 01:16:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:09,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:09,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:09,862 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 01:16:09,864 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 01:16:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:09,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:10,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:16:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-31 01:16:10,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608266777] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:16:10,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:16:10,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 17 [2023-03-31 01:16:10,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22977299] [2023-03-31 01:16:10,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:16:10,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 01:16:10,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:10,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 01:16:10,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-03-31 01:16:10,409 INFO L87 Difference]: Start difference. First operand 1620 states and 1907 transitions. Second operand has 17 states, 17 states have (on average 8.588235294117647) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (57), 10 states have call predecessors, (57), 9 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-03-31 01:16:11,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:11,794 INFO L93 Difference]: Finished difference Result 3162 states and 3885 transitions. [2023-03-31 01:16:11,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-03-31 01:16:11,794 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.588235294117647) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (57), 10 states have call predecessors, (57), 9 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) Word has length 157 [2023-03-31 01:16:11,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:11,801 INFO L225 Difference]: With dead ends: 3162 [2023-03-31 01:16:11,802 INFO L226 Difference]: Without dead ends: 1797 [2023-03-31 01:16:11,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 363 SyntacticMatches, 11 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1009, Unknown=0, NotChecked=0, Total=1406 [2023-03-31 01:16:11,807 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 980 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 1888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:11,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 211 Invalid, 1888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-31 01:16:11,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2023-03-31 01:16:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1572. [2023-03-31 01:16:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1006 states have (on average 1.1848906560636183) internal successors, (1192), 1076 states have internal predecessors, (1192), 279 states have call successors, (279), 264 states have call predecessors, (279), 286 states have return successors, (378), 277 states have call predecessors, (378), 275 states have call successors, (378) [2023-03-31 01:16:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1849 transitions. [2023-03-31 01:16:11,942 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1849 transitions. Word has length 157 [2023-03-31 01:16:11,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:11,943 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 1849 transitions. [2023-03-31 01:16:11,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.588235294117647) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (57), 10 states have call predecessors, (57), 9 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-03-31 01:16:11,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1849 transitions. [2023-03-31 01:16:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-03-31 01:16:11,947 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:11,947 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 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] [2023-03-31 01:16:11,953 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 01:16:12,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:12,152 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:12,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:12,153 INFO L85 PathProgramCache]: Analyzing trace with hash -542511978, now seen corresponding path program 2 times [2023-03-31 01:16:12,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:12,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196360211] [2023-03-31 01:16:12,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:12,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:16:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-03-31 01:16:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:16:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:16:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-03-31 01:16:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-03-31 01:16:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 52 proven. 33 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-03-31 01:16:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196360211] [2023-03-31 01:16:12,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196360211] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363779165] [2023-03-31 01:16:12,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-31 01:16:12,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:12,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:12,627 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 01:16:12,633 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 01:16:12,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-31 01:16:12,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-31 01:16:12,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-31 01:16:12,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-31 01:16:12,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:12,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363779165] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:12,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:12,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2023-03-31 01:16:12,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098335888] [2023-03-31 01:16:12,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:12,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:16:12,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:12,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:16:12,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:16:12,918 INFO L87 Difference]: Start difference. First operand 1572 states and 1849 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-03-31 01:16:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:14,148 INFO L93 Difference]: Finished difference Result 3955 states and 4769 transitions. [2023-03-31 01:16:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-31 01:16:14,148 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 226 [2023-03-31 01:16:14,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:14,158 INFO L225 Difference]: With dead ends: 3955 [2023-03-31 01:16:14,158 INFO L226 Difference]: Without dead ends: 2630 [2023-03-31 01:16:14,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 296 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=1156, Unknown=0, NotChecked=0, Total=1332 [2023-03-31 01:16:14,162 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 299 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:14,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 398 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:16:14,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2023-03-31 01:16:14,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2437. [2023-03-31 01:16:14,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 1557 states have (on average 1.1714836223506744) internal successors, (1824), 1654 states have internal predecessors, (1824), 430 states have call successors, (430), 409 states have call predecessors, (430), 449 states have return successors, (589), 433 states have call predecessors, (589), 426 states have call successors, (589) [2023-03-31 01:16:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 2843 transitions. [2023-03-31 01:16:14,353 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 2843 transitions. Word has length 226 [2023-03-31 01:16:14,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:14,353 INFO L495 AbstractCegarLoop]: Abstraction has 2437 states and 2843 transitions. [2023-03-31 01:16:14,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-03-31 01:16:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2843 transitions. [2023-03-31 01:16:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-03-31 01:16:14,358 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:14,358 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 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] [2023-03-31 01:16:14,372 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 01:16:14,564 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,SelfDestructingSolverStorable9 [2023-03-31 01:16:14,564 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:14,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:14,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1719061272, now seen corresponding path program 1 times [2023-03-31 01:16:14,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:14,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913771871] [2023-03-31 01:16:14,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:14,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:16:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-03-31 01:16:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:16:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:16:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:16:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-03-31 01:16:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-03-31 01:16:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-03-31 01:16:14,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:14,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913771871] [2023-03-31 01:16:14,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913771871] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:14,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030729224] [2023-03-31 01:16:14,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:14,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:14,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:14,857 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 01:16:14,880 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 01:16:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:14,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:16:15,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 01:16:15,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:15,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030729224] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:15,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:15,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2023-03-31 01:16:15,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585192684] [2023-03-31 01:16:15,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:15,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:15,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:15,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:15,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:15,032 INFO L87 Difference]: Start difference. First operand 2437 states and 2843 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:16:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:15,145 INFO L93 Difference]: Finished difference Result 3358 states and 3914 transitions. [2023-03-31 01:16:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:16:15,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 226 [2023-03-31 01:16:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:15,148 INFO L225 Difference]: With dead ends: 3358 [2023-03-31 01:16:15,148 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:16:15,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:16:15,154 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 4 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:15,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 799 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:16:15,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:16:15,155 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 01:16:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:16:15,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2023-03-31 01:16:15,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:15,156 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:16:15,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:16:15,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:16:15,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:16:15,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:16:15,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:15,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:15,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 01:16:27,690 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L640(lines 617 641) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 593 648) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 628) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L624-1(lines 624 628) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L619(line 619) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 593 648) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L618-2(lines 618 639) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 593 648) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L675-2(lines 675 700) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L701(lines 674 702) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L694(line 694) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 649 708) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 649 708) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 649 708) no Hoare annotation was computed. [2023-03-31 01:16:27,691 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point L681-1(lines 681 685) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point L676(line 676) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 426 434) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 426 434) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 426 434) the Hoare annotation is: true [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point L384(lines 384 390) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L895 garLoopResultBuilder]: At program point L382(line 382) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (= 0 ~systemActive~0))) [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point L382-1(line 382) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 393) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point L380-1(lines 372 396) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2023-03-31 01:16:27,692 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 372 396) no Hoare annotation was computed. [2023-03-31 01:16:27,693 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 372 396) the Hoare annotation is: true [2023-03-31 01:16:27,693 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (= 0 ~systemActive~0))) [2023-03-31 01:16:27,693 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 517 539) no Hoare annotation was computed. [2023-03-31 01:16:27,693 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1))) [2023-03-31 01:16:27,693 INFO L895 garLoopResultBuilder]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1))) [2023-03-31 01:16:27,693 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2023-03-31 01:16:27,693 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 534) no Hoare annotation was computed. [2023-03-31 01:16:27,693 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-03-31 01:16:27,693 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 517 539) no Hoare annotation was computed. [2023-03-31 01:16:27,693 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:27,693 INFO L895 garLoopResultBuilder]: At program point L523(line 523) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:27,693 INFO L895 garLoopResultBuilder]: At program point L523-1(line 523) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:27,693 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 517 539) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:27,693 INFO L899 garLoopResultBuilder]: For program point L481(line 481) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 476 499) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 476 499) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L493(line 493) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L490(line 490) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 476 499) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L487(line 487) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L484(line 484) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2023-03-31 01:16:27,694 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 354 368) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse2 (< ~waterLevel~0 2)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse3))) (and (or .cse0 .cse1 .cse2) (or (= |old(~systemActive~0)| 0) (< |old(~pumpRunning~0)| 1) .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1)))) [2023-03-31 01:16:27,694 INFO L895 garLoopResultBuilder]: At program point L360(line 360) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~systemActive~0)| ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1))) [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 353) the Hoare annotation is: true [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L902 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: true [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 335 353) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L342-1(line 342) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 335 353) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 412 418) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 412 418) the Hoare annotation is: true [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 860 905) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 887) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L874(lines 874 894) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 860 905) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 860 905) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 996) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 986 999) the Hoare annotation is: true [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2023-03-31 01:16:27,695 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point L225-1(line 225) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 219 243) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L895 garLoopResultBuilder]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 219 243) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 219 243) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,696 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,696 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 55 120) no Hoare annotation was computed. [2023-03-31 01:16:27,696 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:27,697 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 55 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 01:16:27,697 INFO L895 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L895 garLoopResultBuilder]: At program point L101-1(lines 95 108) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 55 120) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1000 1008) the Hoare annotation is: true [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2023-03-31 01:16:27,697 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 954 976) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point L962(lines 962 970) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 244 251) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 316 334) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 316 334) the Hoare annotation is: true [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 316 334) no Hoare annotation was computed. [2023-03-31 01:16:27,698 INFO L902 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: true [2023-03-31 01:16:27,698 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2023-03-31 01:16:27,704 INFO L899 garLoopResultBuilder]: For program point L323-1(line 323) no Hoare annotation was computed. [2023-03-31 01:16:27,704 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 977 985) the Hoare annotation is: true [2023-03-31 01:16:27,704 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2023-03-31 01:16:27,704 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L895 garLoopResultBuilder]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (< |old(~pumpRunning~0)| 1) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse0))))) [2023-03-31 01:16:27,705 INFO L895 garLoopResultBuilder]: At program point L146(lines 146 152) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (not .cse2)))) (or (and .cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (< |old(~waterLevel~0)| 2) (< |old(~pumpRunning~0)| 1) .cse2))) [2023-03-31 01:16:27,705 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~pumpRunning~0)| 1) (= 0 ~systemActive~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point L139(lines 138 157) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 158) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse0)) (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (< |old(~pumpRunning~0)| 1) (= 0 ~systemActive~0)))) [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L902 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L902 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2023-03-31 01:16:27,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 475) the Hoare annotation is: true [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L902 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2023-03-31 01:16:27,705 INFO L902 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2023-03-31 01:16:27,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 945 953) the Hoare annotation is: true [2023-03-31 01:16:27,705 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 909 920) the Hoare annotation is: (or (< ~pumpRunning~0 1) (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0)) [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 167 191) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) [2023-03-31 01:16:27,706 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L895 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 167 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 921 932) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (< |old(~waterLevel~0)| 1) (not (= ~pumpRunning~0 0)) .cse0) (or (< ~pumpRunning~0 1) (< |old(~waterLevel~0)| 2) .cse0 (= 0 ~systemActive~0)))) [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 436 443) no Hoare annotation was computed. [2023-03-31 01:16:27,706 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 436 443) the Hoare annotation is: true [2023-03-31 01:16:27,706 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 436 443) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 193 217) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,707 INFO L895 garLoopResultBuilder]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~2)) (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,707 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 217) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 419 425) the Hoare annotation is: true [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 419 425) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 271 279) the Hoare annotation is: true [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 295) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point L287-2(lines 287 295) no Hoare annotation was computed. [2023-03-31 01:16:27,707 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 280 315) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 307) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 280 315) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 280 315) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 547 592) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 547 592) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 547 592) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 507 516) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 507 516) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 507 516) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 260 270) the Hoare annotation is: true [2023-03-31 01:16:27,708 INFO L902 garLoopResultBuilder]: At program point L265(line 265) the Hoare annotation is: true [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point L265-1(line 265) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 259) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (< |old(~pumpRunning~0)| 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point L828(lines 828 848) no Hoare annotation was computed. [2023-03-31 01:16:27,708 INFO L899 garLoopResultBuilder]: For program point L828-1(lines 828 848) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 814 859) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 814 859) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 814 859) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 841) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 402 411) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 402 411) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 402 411) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 810) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 766) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L760-2(lines 760 780) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L781(lines 759 782) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 711 813) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 711 813) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 756) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 807) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L761(lines 760 780) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L792(line 792) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 798) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 711 813) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L776(line 776) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point L776-1(line 776) no Hoare annotation was computed. [2023-03-31 01:16:27,709 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 933 944) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (< ~pumpRunning~0 1) .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0))) [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 500 506) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 500 506) the Hoare annotation is: true [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 01:16:27,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:27,710 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 01:16:27,715 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:27,719 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:16:27,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:16:27 BoogieIcfgContainer [2023-03-31 01:16:27,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:16:27,734 INFO L158 Benchmark]: Toolchain (without parser) took 32758.21ms. Allocated memory was 201.3MB in the beginning and 920.6MB in the end (delta: 719.3MB). Free memory was 158.9MB in the beginning and 488.3MB in the end (delta: -329.4MB). Peak memory consumption was 552.0MB. Max. memory is 8.0GB. [2023-03-31 01:16:27,734 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:16:27,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.28ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 139.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 01:16:27,735 INFO L158 Benchmark]: Boogie Preprocessor took 49.58ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 136.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:16:27,735 INFO L158 Benchmark]: RCFGBuilder took 787.42ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 155.6MB in the end (delta: -19.4MB). Peak memory consumption was 26.8MB. Max. memory is 8.0GB. [2023-03-31 01:16:27,743 INFO L158 Benchmark]: TraceAbstraction took 31564.14ms. Allocated memory was 201.3MB in the beginning and 920.6MB in the end (delta: 719.3MB). Free memory was 154.6MB in the beginning and 488.3MB in the end (delta: -333.7MB). Peak memory consumption was 546.1MB. Max. memory is 8.0GB. [2023-03-31 01:16:27,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.28ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 139.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.58ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 136.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 787.42ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 155.6MB in the end (delta: -19.4MB). Peak memory consumption was 26.8MB. Max. memory is 8.0GB. * TraceAbstraction took 31564.14ms. Allocated memory was 201.3MB in the beginning and 920.6MB in the end (delta: 719.3MB). Free memory was 154.6MB in the beginning and 488.3MB in the end (delta: -333.7MB). Peak memory consumption was 546.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.5s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5437 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5275 mSDsluCounter, 3092 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2512 mSDsCounter, 3074 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12411 IncrementalHoareTripleChecker+Invalid, 15485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3074 mSolverCounterUnsat, 580 mSDtfsCounter, 12411 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2124 GetRequests, 1831 SyntacticMatches, 29 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3901 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2437occurred in iteration=10, InterpolantAutomatonStates: 212, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1078 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4961 PreInvPairs, 5136 NumberOfFragments, 1172 HoareAnnotationTreeSize, 4961 FomulaSimplifications, 202484 FormulaSimplificationTreeSizeReduction, 9.6s HoareSimplificationTime, 69 FomulaSimplificationsInter, 26564 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 2272 NumberOfCodeBlocks, 2272 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2652 ConstructedInterpolants, 0 QuantifiedInterpolants, 4668 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3288 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 802/914 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2023-03-31 01:16:27,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...