/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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:16:03,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:16:03,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:16:04,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:16:04,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:16:04,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:16:04,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:16:04,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:16:04,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:16:04,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:16:04,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:16:04,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:16:04,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:16:04,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:16:04,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:16:04,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:16:04,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:16:04,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:16:04,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:16:04,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:16:04,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:16:04,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:16:04,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:16:04,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:16:04,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:16:04,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:16:04,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:16:04,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:16:04,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:16:04,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:16:04,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:16:04,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:16:04,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:16:04,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:16:04,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:16:04,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:16:04,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:16:04,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:16:04,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:16:04,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:16:04,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:16:04,094 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 01:16:04,127 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:16:04,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:16:04,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:16:04,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:16:04,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:16:04,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:16:04,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:16:04,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:16:04,131 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:16:04,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:16:04,132 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:16:04,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:16:04,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:16:04,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:16:04,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:16:04,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:16:04,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:16:04,133 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:16:04,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:16:04,133 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:16:04,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:16:04,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:16:04,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:16:04,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:16:04,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:16:04,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:16:04,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:16:04,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:16:04,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:16:04,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:16:04,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:16:04,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:16:04,136 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:16:04,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:16:04,137 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:16:04,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:16:04,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:16:04,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:16:04,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:16:04,412 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:16:04,413 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:16:04,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2023-03-31 01:16:05,719 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:16:05,980 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:16:05,980 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2023-03-31 01:16:05,999 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4406fd6f/06cde8560a4649dcace08bccaf3ec4fb/FLAG2f433698f [2023-03-31 01:16:06,013 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4406fd6f/06cde8560a4649dcace08bccaf3ec4fb [2023-03-31 01:16:06,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:16:06,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:16:06,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:16:06,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:16:06,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:16:06,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1101e0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06, skipping insertion in model container [2023-03-31 01:16:06,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:16:06,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:16:06,268 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_product60.cil.c[13463,13476] [2023-03-31 01:16:06,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:16:06,320 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:16:06,405 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_product60.cil.c[13463,13476] [2023-03-31 01:16:06,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:16:06,447 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:16:06,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06 WrapperNode [2023-03-31 01:16:06,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:16:06,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:16:06,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:16:06,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:16:06,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:16:06,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:16:06,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:16:06,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:16:06,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (1/1) ... [2023-03-31 01:16:06,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:16:06,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:06,553 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 01:16:06,565 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 01:16:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:16:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:16:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:16:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:16:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:16:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:16:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:16:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:16:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:16:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:16:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 01:16:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:16:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:16:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 01:16:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 01:16:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:16:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:16:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:16:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:16:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:16:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:16:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:16:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:16:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:16:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:16:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:16:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 01:16:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 01:16:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:16:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:16:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:16:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:16:06,737 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:16:06,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:16:07,374 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:16:07,382 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:16:07,383 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:16:07,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:16:07 BoogieIcfgContainer [2023-03-31 01:16:07,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:16:07,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:16:07,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:16:07,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:16:07,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:16:06" (1/3) ... [2023-03-31 01:16:07,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9ab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:16:07, skipping insertion in model container [2023-03-31 01:16:07,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:06" (2/3) ... [2023-03-31 01:16:07,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9ab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:16:07, skipping insertion in model container [2023-03-31 01:16:07,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:16:07" (3/3) ... [2023-03-31 01:16:07,393 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2023-03-31 01:16:07,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:16:07,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:16:07,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:16:07,461 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;@748563a5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:16:07,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:16:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 109 states have (on average 1.2844036697247707) internal successors, (140), 125 states have internal predecessors, (140), 51 states have call successors, (51), 33 states have call predecessors, (51), 33 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) [2023-03-31 01:16:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:16:07,478 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:07,479 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 01:16:07,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:07,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:07,488 INFO L85 PathProgramCache]: Analyzing trace with hash -883692299, now seen corresponding path program 1 times [2023-03-31 01:16:07,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:07,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520910665] [2023-03-31 01:16:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:16:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,807 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 01:16:07,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:07,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520910665] [2023-03-31 01:16:07,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520910665] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:07,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:07,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:16:07,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393452418] [2023-03-31 01:16:07,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:07,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:16:07,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:07,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:16:07,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:16:07,845 INFO L87 Difference]: Start difference. First operand has 196 states, 109 states have (on average 1.2844036697247707) internal successors, (140), 125 states have internal predecessors, (140), 51 states have call successors, (51), 33 states have call predecessors, (51), 33 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) 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 01:16:08,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:08,432 INFO L93 Difference]: Finished difference Result 352 states and 451 transitions. [2023-03-31 01:16:08,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:16:08,434 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 01:16:08,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:08,448 INFO L225 Difference]: With dead ends: 352 [2023-03-31 01:16:08,448 INFO L226 Difference]: Without dead ends: 190 [2023-03-31 01:16:08,452 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 01:16:08,458 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 109 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:08,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 24 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:16:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-03-31 01:16:08,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 153. [2023-03-31 01:16:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 103 states have internal predecessors, (111), 36 states have call successors, (36), 31 states have call predecessors, (36), 26 states have return successors, (31), 26 states have call predecessors, (31), 31 states have call successors, (31) [2023-03-31 01:16:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2023-03-31 01:16:08,525 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 46 [2023-03-31 01:16:08,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:08,526 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2023-03-31 01:16:08,526 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 01:16:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2023-03-31 01:16:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:16:08,529 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:08,529 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 01:16:08,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:16:08,529 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:08,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:08,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2113000074, now seen corresponding path program 1 times [2023-03-31 01:16:08,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:08,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455009198] [2023-03-31 01:16:08,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:08,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:16:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:16:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,707 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 01:16:08,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:08,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455009198] [2023-03-31 01:16:08,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455009198] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:08,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:08,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:16:08,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166453932] [2023-03-31 01:16:08,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:08,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:16:08,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:08,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:16:08,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:16:08,712 INFO L87 Difference]: Start difference. First operand 153 states and 178 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 01:16:09,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:09,150 INFO L93 Difference]: Finished difference Result 275 states and 330 transitions. [2023-03-31 01:16:09,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:16:09,151 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 01:16:09,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:09,158 INFO L225 Difference]: With dead ends: 275 [2023-03-31 01:16:09,158 INFO L226 Difference]: Without dead ends: 174 [2023-03-31 01:16:09,162 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 01:16:09,163 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 119 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:09,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 31 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:16:09,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-03-31 01:16:09,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 144. [2023-03-31 01:16:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 97 states have internal predecessors, (104), 33 states have call successors, (33), 30 states have call predecessors, (33), 26 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2023-03-31 01:16:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2023-03-31 01:16:09,218 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 47 [2023-03-31 01:16:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:09,218 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2023-03-31 01:16:09,218 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 01:16:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2023-03-31 01:16:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 01:16:09,225 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:09,225 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] [2023-03-31 01:16:09,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:16:09,226 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:09,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:09,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1820042297, now seen corresponding path program 1 times [2023-03-31 01:16:09,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:09,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716694908] [2023-03-31 01:16:09,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:09,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:16:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:16:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:09,567 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 01:16:09,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:09,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716694908] [2023-03-31 01:16:09,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716694908] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:09,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:09,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:16:09,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120192272] [2023-03-31 01:16:09,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:09,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:16:09,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:09,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:16:09,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:16:09,572 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 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 01:16:10,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:10,532 INFO L93 Difference]: Finished difference Result 491 states and 599 transitions. [2023-03-31 01:16:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:16:10,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 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 52 [2023-03-31 01:16:10,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:10,536 INFO L225 Difference]: With dead ends: 491 [2023-03-31 01:16:10,536 INFO L226 Difference]: Without dead ends: 371 [2023-03-31 01:16:10,537 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 01:16:10,538 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 479 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:10,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 79 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 01:16:10,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-03-31 01:16:10,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 302. [2023-03-31 01:16:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 183 states have (on average 1.273224043715847) internal successors, (233), 208 states have internal predecessors, (233), 65 states have call successors, (65), 59 states have call predecessors, (65), 53 states have return successors, (62), 49 states have call predecessors, (62), 61 states have call successors, (62) [2023-03-31 01:16:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 360 transitions. [2023-03-31 01:16:10,595 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 360 transitions. Word has length 52 [2023-03-31 01:16:10,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:10,596 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 360 transitions. [2023-03-31 01:16:10,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 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 01:16:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 360 transitions. [2023-03-31 01:16:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-03-31 01:16:10,598 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:10,598 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 01:16:10,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:16:10,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:10,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:10,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1890819443, now seen corresponding path program 1 times [2023-03-31 01:16:10,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:10,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14465037] [2023-03-31 01:16:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:10,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:16:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:16:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 01:16:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,859 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 01:16:10,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:10,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14465037] [2023-03-31 01:16:10,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14465037] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:10,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:10,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:16:10,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612942425] [2023-03-31 01:16:10,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:10,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:16:10,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:10,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:16:10,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:16:10,862 INFO L87 Difference]: Start difference. First operand 302 states and 360 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 01:16:12,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:12,436 INFO L93 Difference]: Finished difference Result 1233 states and 1656 transitions. [2023-03-31 01:16:12,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:16:12,436 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 01:16:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:12,442 INFO L225 Difference]: With dead ends: 1233 [2023-03-31 01:16:12,443 INFO L226 Difference]: Without dead ends: 955 [2023-03-31 01:16:12,444 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 01:16:12,445 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 569 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:12,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 139 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 01:16:12,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-03-31 01:16:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 854. [2023-03-31 01:16:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 518 states have (on average 1.247104247104247) internal successors, (646), 591 states have internal predecessors, (646), 175 states have call successors, (175), 150 states have call predecessors, (175), 160 states have return successors, (245), 145 states have call predecessors, (245), 171 states have call successors, (245) [2023-03-31 01:16:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1066 transitions. [2023-03-31 01:16:12,580 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1066 transitions. Word has length 57 [2023-03-31 01:16:12,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:12,581 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 1066 transitions. [2023-03-31 01:16:12,581 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 01:16:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1066 transitions. [2023-03-31 01:16:12,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-03-31 01:16:12,585 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:12,585 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 01:16:12,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:16:12,586 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:12,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:12,586 INFO L85 PathProgramCache]: Analyzing trace with hash -764364167, now seen corresponding path program 1 times [2023-03-31 01:16:12,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:12,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575767726] [2023-03-31 01:16:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:12,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:16:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:16:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-03-31 01:16:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:16:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,722 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 01:16:12,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:12,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575767726] [2023-03-31 01:16:12,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575767726] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:12,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:12,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:16:12,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259945486] [2023-03-31 01:16:12,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:12,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:12,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:12,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:12,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:16:12,726 INFO L87 Difference]: Start difference. First operand 854 states and 1066 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 01:16:13,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:13,357 INFO L93 Difference]: Finished difference Result 2019 states and 2693 transitions. [2023-03-31 01:16:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 01:16:13,357 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 01:16:13,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:13,364 INFO L225 Difference]: With dead ends: 2019 [2023-03-31 01:16:13,364 INFO L226 Difference]: Without dead ends: 1189 [2023-03-31 01:16:13,367 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 01:16:13,369 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 505 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:13,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 61 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:16:13,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2023-03-31 01:16:13,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1098. [2023-03-31 01:16:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 675 states have (on average 1.2162962962962962) internal successors, (821), 736 states have internal predecessors, (821), 205 states have call successors, (205), 183 states have call predecessors, (205), 217 states have return successors, (338), 216 states have call predecessors, (338), 201 states have call successors, (338) [2023-03-31 01:16:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1364 transitions. [2023-03-31 01:16:13,507 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1364 transitions. Word has length 61 [2023-03-31 01:16:13,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:13,507 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1364 transitions. [2023-03-31 01:16:13,507 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 01:16:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1364 transitions. [2023-03-31 01:16:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-03-31 01:16:13,510 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:13,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:16:13,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:16:13,510 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:13,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:13,511 INFO L85 PathProgramCache]: Analyzing trace with hash 581214488, now seen corresponding path program 1 times [2023-03-31 01:16:13,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:13,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171421524] [2023-03-31 01:16:13,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:16:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-03-31 01:16:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-03-31 01:16:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-03-31 01:16:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-03-31 01:16:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-03-31 01:16:13,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:13,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171421524] [2023-03-31 01:16:13,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171421524] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:13,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547775988] [2023-03-31 01:16:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:13,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:13,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:13,765 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 01:16:13,791 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 01:16:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:13,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 15 conjunts are in the unsatisfiable core [2023-03-31 01:16:13,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 01:16:14,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:16:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:16:14,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547775988] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:16:14,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:16:14,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-03-31 01:16:14,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039089029] [2023-03-31 01:16:14,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:16:14,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:16:14,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:14,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:16:14,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:16:14,376 INFO L87 Difference]: Start difference. First operand 1098 states and 1364 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 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 01:16:18,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:18,862 INFO L93 Difference]: Finished difference Result 3010 states and 3940 transitions. [2023-03-31 01:16:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-03-31 01:16:18,862 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 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 89 [2023-03-31 01:16:18,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:18,873 INFO L225 Difference]: With dead ends: 3010 [2023-03-31 01:16:18,873 INFO L226 Difference]: Without dead ends: 2221 [2023-03-31 01:16:18,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 220 SyntacticMatches, 8 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3199 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1622, Invalid=7690, Unknown=0, NotChecked=0, Total=9312 [2023-03-31 01:16:18,879 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1594 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 1157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 4854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1157 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:18,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 330 Invalid, 4854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1157 Valid, 3697 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-03-31 01:16:18,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2023-03-31 01:16:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 1929. [2023-03-31 01:16:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1929 states, 1208 states have (on average 1.211092715231788) internal successors, (1463), 1300 states have internal predecessors, (1463), 343 states have call successors, (343), 325 states have call predecessors, (343), 377 states have return successors, (546), 355 states have call predecessors, (546), 339 states have call successors, (546) [2023-03-31 01:16:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2352 transitions. [2023-03-31 01:16:19,090 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2352 transitions. Word has length 89 [2023-03-31 01:16:19,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:19,090 INFO L495 AbstractCegarLoop]: Abstraction has 1929 states and 2352 transitions. [2023-03-31 01:16:19,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 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 01:16:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2352 transitions. [2023-03-31 01:16:19,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-03-31 01:16:19,095 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:19,095 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] [2023-03-31 01:16:19,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:19,302 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 01:16:19,302 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:19,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:19,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1190788719, now seen corresponding path program 1 times [2023-03-31 01:16:19,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:19,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473374634] [2023-03-31 01:16:19,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:19,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:16:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 01:16:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-03-31 01:16:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:16:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:16:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-31 01:16:19,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473374634] [2023-03-31 01:16:19,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473374634] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586873156] [2023-03-31 01:16:19,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:19,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:19,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:19,559 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 01:16:19,562 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 01:16:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:19,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:19,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 01:16:19,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:19,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586873156] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:19,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:19,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2023-03-31 01:16:19,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507825316] [2023-03-31 01:16:19,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:19,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:19,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:19,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:19,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:16:19,731 INFO L87 Difference]: Start difference. First operand 1929 states and 2352 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:19,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:19,936 INFO L93 Difference]: Finished difference Result 3858 states and 4919 transitions. [2023-03-31 01:16:19,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:16:19,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2023-03-31 01:16:19,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:19,946 INFO L225 Difference]: With dead ends: 3858 [2023-03-31 01:16:19,946 INFO L226 Difference]: Without dead ends: 1999 [2023-03-31 01:16:19,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:16:19,953 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 4 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:19,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 813 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:19,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2023-03-31 01:16:20,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1979. [2023-03-31 01:16:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1979 states, 1248 states have (on average 1.2043269230769231) internal successors, (1503), 1340 states have internal predecessors, (1503), 343 states have call successors, (343), 325 states have call predecessors, (343), 387 states have return successors, (560), 365 states have call predecessors, (560), 339 states have call successors, (560) [2023-03-31 01:16:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2406 transitions. [2023-03-31 01:16:20,130 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2406 transitions. Word has length 149 [2023-03-31 01:16:20,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:20,131 INFO L495 AbstractCegarLoop]: Abstraction has 1979 states and 2406 transitions. [2023-03-31 01:16:20,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:20,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2406 transitions. [2023-03-31 01:16:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-03-31 01:16:20,137 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:20,138 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] [2023-03-31 01:16:20,149 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 01:16:20,343 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 01:16:20,344 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:20,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2073137679, now seen corresponding path program 1 times [2023-03-31 01:16:20,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:20,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493422361] [2023-03-31 01:16:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:20,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:16:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 01:16:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-03-31 01:16:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:16:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:16:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-31 01:16:20,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:20,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493422361] [2023-03-31 01:16:20,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493422361] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:20,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228055573] [2023-03-31 01:16:20,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:20,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:20,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:20,649 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 01:16:20,679 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 01:16:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:20,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjunts are in the unsatisfiable core [2023-03-31 01:16:20,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 01:16:20,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:20,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228055573] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:20,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:20,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-03-31 01:16:20,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702818427] [2023-03-31 01:16:20,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:20,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 01:16:20,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:20,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 01:16:20,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:20,833 INFO L87 Difference]: Start difference. First operand 1979 states and 2406 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:20,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:20,980 INFO L93 Difference]: Finished difference Result 3469 states and 4334 transitions. [2023-03-31 01:16:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:16:20,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2023-03-31 01:16:20,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:20,988 INFO L225 Difference]: With dead ends: 3469 [2023-03-31 01:16:20,989 INFO L226 Difference]: Without dead ends: 1560 [2023-03-31 01:16:20,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 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 01:16:20,995 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 3 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 651 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 01:16:20,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 651 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:20,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2023-03-31 01:16:21,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1514. [2023-03-31 01:16:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 965 states have (on average 1.206217616580311) internal successors, (1164), 1033 states have internal predecessors, (1164), 268 states have call successors, (268), 260 states have call predecessors, (268), 280 states have return successors, (409), 267 states have call predecessors, (409), 264 states have call successors, (409) [2023-03-31 01:16:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 1841 transitions. [2023-03-31 01:16:21,191 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 1841 transitions. Word has length 149 [2023-03-31 01:16:21,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:21,192 INFO L495 AbstractCegarLoop]: Abstraction has 1514 states and 1841 transitions. [2023-03-31 01:16:21,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1841 transitions. [2023-03-31 01:16:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 01:16:21,195 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:21,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:16:21,203 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 01:16:21,400 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 01:16:21,400 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:21,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:21,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2044961928, now seen corresponding path program 1 times [2023-03-31 01:16:21,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:21,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521382102] [2023-03-31 01:16:21,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:21,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:16:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 01:16:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:16:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:16:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:16:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-31 01:16:21,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521382102] [2023-03-31 01:16:21,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521382102] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785568025] [2023-03-31 01:16:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:21,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:21,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:21,697 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 01:16:21,699 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 01:16:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:21,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:21,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:22,013 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:22,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:16:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-31 01:16:22,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785568025] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:16:22,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:16:22,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 17 [2023-03-31 01:16:22,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275414389] [2023-03-31 01:16:22,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:16:22,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 01:16:22,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:22,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 01:16:22,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-03-31 01:16:22,325 INFO L87 Difference]: Start difference. First operand 1514 states and 1841 transitions. Second operand has 17 states, 17 states have (on average 8.470588235294118) internal successors, (144), 10 states have internal predecessors, (144), 4 states have call successors, (55), 10 states have call predecessors, (55), 9 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) [2023-03-31 01:16:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:24,048 INFO L93 Difference]: Finished difference Result 3101 states and 4023 transitions. [2023-03-31 01:16:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-31 01:16:24,048 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.470588235294118) internal successors, (144), 10 states have internal predecessors, (144), 4 states have call successors, (55), 10 states have call predecessors, (55), 9 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) Word has length 153 [2023-03-31 01:16:24,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:24,057 INFO L225 Difference]: With dead ends: 3101 [2023-03-31 01:16:24,057 INFO L226 Difference]: Without dead ends: 1770 [2023-03-31 01:16:24,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 353 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=415, Invalid=1067, Unknown=0, NotChecked=0, Total=1482 [2023-03-31 01:16:24,063 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 586 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 1716 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 1716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:24,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 267 Invalid, 2132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 1716 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 01:16:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2023-03-31 01:16:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1388. [2023-03-31 01:16:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 877 states have (on average 1.1892816419612315) internal successors, (1043), 942 states have internal predecessors, (1043), 249 states have call successors, (249), 241 states have call predecessors, (249), 261 states have return successors, (387), 244 states have call predecessors, (387), 245 states have call successors, (387) [2023-03-31 01:16:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1679 transitions. [2023-03-31 01:16:24,211 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1679 transitions. Word has length 153 [2023-03-31 01:16:24,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:24,212 INFO L495 AbstractCegarLoop]: Abstraction has 1388 states and 1679 transitions. [2023-03-31 01:16:24,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.470588235294118) internal successors, (144), 10 states have internal predecessors, (144), 4 states have call successors, (55), 10 states have call predecessors, (55), 9 states have return successors, (40), 5 states have call predecessors, (40), 4 states have call successors, (40) [2023-03-31 01:16:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1679 transitions. [2023-03-31 01:16:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-03-31 01:16:24,218 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:24,218 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:24,228 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 01:16:24,425 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 01:16:24,425 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:24,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:24,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1864720577, now seen corresponding path program 2 times [2023-03-31 01:16:24,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:24,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473682910] [2023-03-31 01:16:24,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:24,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:16:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:16:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 01:16:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:16:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-03-31 01:16:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:16:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-03-31 01:16:24,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:24,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473682910] [2023-03-31 01:16:24,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473682910] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:24,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333252444] [2023-03-31 01:16:24,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-31 01:16:24,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:24,941 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 01:16:24,943 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 01:16:25,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-31 01:16:25,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-31 01:16:25,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-31 01:16:25,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-03-31 01:16:25,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:25,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333252444] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:25,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:25,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2023-03-31 01:16:25,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420597241] [2023-03-31 01:16:25,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:25,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:16:25,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:25,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:16:25,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:16:25,266 INFO L87 Difference]: Start difference. First operand 1388 states and 1679 transitions. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 7 states have internal predecessors, (123), 4 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-03-31 01:16:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:26,593 INFO L93 Difference]: Finished difference Result 3643 states and 4581 transitions. [2023-03-31 01:16:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-31 01:16:26,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 7 states have internal predecessors, (123), 4 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 207 [2023-03-31 01:16:26,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:26,605 INFO L225 Difference]: With dead ends: 3643 [2023-03-31 01:16:26,605 INFO L226 Difference]: Without dead ends: 2434 [2023-03-31 01:16:26,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 268 SyntacticMatches, 5 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 01:16:26,611 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 290 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:26,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 400 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:16:26,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2023-03-31 01:16:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2404. [2023-03-31 01:16:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 1533 states have (on average 1.1859099804305284) internal successors, (1818), 1634 states have internal predecessors, (1818), 427 states have call successors, (427), 415 states have call predecessors, (427), 443 states have return successors, (631), 417 states have call predecessors, (631), 423 states have call successors, (631) [2023-03-31 01:16:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 2876 transitions. [2023-03-31 01:16:26,850 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 2876 transitions. Word has length 207 [2023-03-31 01:16:26,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:26,851 INFO L495 AbstractCegarLoop]: Abstraction has 2404 states and 2876 transitions. [2023-03-31 01:16:26,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 7 states have internal predecessors, (123), 4 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-03-31 01:16:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2876 transitions. [2023-03-31 01:16:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-03-31 01:16:26,857 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:26,857 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:26,867 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 01:16:27,066 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 01:16:27,067 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:27,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:27,067 INFO L85 PathProgramCache]: Analyzing trace with hash 471671933, now seen corresponding path program 1 times [2023-03-31 01:16:27,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:27,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781163154] [2023-03-31 01:16:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:16:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:16:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 01:16:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:16:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-03-31 01:16:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:16:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-03-31 01:16:27,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:27,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781163154] [2023-03-31 01:16:27,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781163154] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:27,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273357378] [2023-03-31 01:16:27,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:27,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:27,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:27,396 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 01:16:27,398 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 01:16:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:27,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:16:27,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-03-31 01:16:27,558 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:27,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273357378] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:27,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:27,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2023-03-31 01:16:27,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977707020] [2023-03-31 01:16:27,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:27,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:27,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:27,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:27,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-03-31 01:16:27,561 INFO L87 Difference]: Start difference. First operand 2404 states and 2876 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:16:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:27,676 INFO L93 Difference]: Finished difference Result 3233 states and 3869 transitions. [2023-03-31 01:16:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:16:27,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 207 [2023-03-31 01:16:27,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:27,679 INFO L225 Difference]: With dead ends: 3233 [2023-03-31 01:16:27,679 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:16:27,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:16:27,688 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 4 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 789 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 01:16:27,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 789 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:27,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:16:27,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:16:27,689 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 01:16:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:16:27,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2023-03-31 01:16:27,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:27,690 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:16:27,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:16:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:16:27,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:16:27,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:16:27,702 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 01:16:27,899 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 01:16:27,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point L288(lines 265 289) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 241 296) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point L272-1(lines 272 276) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 241 296) no Hoare annotation was computed. [2023-03-31 01:16:37,803 INFO L899 garLoopResultBuilder]: For program point L266-2(lines 266 287) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 241 296) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point L323-2(lines 323 348) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point L349(lines 322 350) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point L342(line 342) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 297 356) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point L342-1(line 342) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 297 356) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 297 356) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 333) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point L329-1(lines 329 333) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2023-03-31 01:16:37,804 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:16:37,805 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:16:37,805 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-03-31 01:16:37,805 INFO L895 garLoopResultBuilder]: At program point L572(line 572) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) (or (< ~waterLevel~0 2) (= 0 ~systemActive~0))) [2023-03-31 01:16:37,805 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2023-03-31 01:16:37,805 INFO L895 garLoopResultBuilder]: At program point L568(line 568) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) (or (< ~waterLevel~0 2) (= 0 ~systemActive~0))) [2023-03-31 01:16:37,805 INFO L899 garLoopResultBuilder]: For program point L568-1(line 568) no Hoare annotation was computed. [2023-03-31 01:16:37,806 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2023-03-31 01:16:37,806 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 558 582) no Hoare annotation was computed. [2023-03-31 01:16:37,806 INFO L902 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: true [2023-03-31 01:16:37,806 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-03-31 01:16:37,806 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 558 582) no Hoare annotation was computed. [2023-03-31 01:16:37,806 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 582) the Hoare annotation is: true [2023-03-31 01:16:37,806 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 165 187) no Hoare annotation was computed. [2023-03-31 01:16:37,806 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:37,806 INFO L895 garLoopResultBuilder]: At program point L177-1(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:37,806 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2023-03-31 01:16:37,806 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 175 182) no Hoare annotation was computed. [2023-03-31 01:16:37,807 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-03-31 01:16:37,807 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 165 187) no Hoare annotation was computed. [2023-03-31 01:16:37,807 INFO L895 garLoopResultBuilder]: At program point L172(line 172) 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 01:16:37,807 INFO L895 garLoopResultBuilder]: At program point L171(line 171) 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 01:16:37,807 INFO L895 garLoopResultBuilder]: At program point L171-1(line 171) 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 01:16:37,807 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 165 187) 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 01:16:37,807 INFO L899 garLoopResultBuilder]: For program point L129(line 129) no Hoare annotation was computed. [2023-03-31 01:16:37,807 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-03-31 01:16:37,807 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 123 146) no Hoare annotation was computed. [2023-03-31 01:16:37,807 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 123 146) no Hoare annotation was computed. [2023-03-31 01:16:37,807 INFO L899 garLoopResultBuilder]: For program point L141(line 141) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 123 146) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L135(line 135) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-03-31 01:16:37,808 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 816 830) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 816 830) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0)) (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 0) .cse0)))) [2023-03-31 01:16:37,809 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (< ~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 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 816 830) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 826) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 797 815) the Hoare annotation is: true [2023-03-31 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 797 815) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L902 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: true [2023-03-31 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 797 815) no Hoare annotation was computed. [2023-03-31 01:16:37,809 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 508 553) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 535) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 542) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 508 553) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point L522-1(lines 522 542) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 508 553) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point L992(lines 992 998) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 988 1001) the Hoare annotation is: true [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 988 1001) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 988 1001) no Hoare annotation was computed. [2023-03-31 01:16:37,810 INFO L895 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 01:16:37,811 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2023-03-31 01:16:37,811 INFO L895 garLoopResultBuilder]: At program point L669(line 669) 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 .cse1))) [2023-03-31 01:16:37,811 INFO L899 garLoopResultBuilder]: For program point L669-1(line 669) no Hoare annotation was computed. [2023-03-31 01:16:37,811 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2023-03-31 01:16:37,811 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 663 687) no Hoare annotation was computed. [2023-03-31 01:16:37,811 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (or (< ~waterLevel~0 1) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0))) [2023-03-31 01:16:37,811 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 663 687) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,811 INFO L899 garLoopResultBuilder]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2023-03-31 01:16:37,811 INFO L895 garLoopResultBuilder]: At program point L677(line 677) the Hoare annotation is: (or (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,811 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2023-03-31 01:16:37,811 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2023-03-31 01:16:37,811 INFO L895 garLoopResultBuilder]: At program point L890(line 890) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-03-31 01:16:37,812 INFO L899 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2023-03-31 01:16:37,812 INFO L895 garLoopResultBuilder]: At program point L888-1(lines 880 895) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:37,812 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 840 907) no Hoare annotation was computed. [2023-03-31 01:16:37,812 INFO L899 garLoopResultBuilder]: For program point L851(lines 850 899) no Hoare annotation was computed. [2023-03-31 01:16:37,812 INFO L895 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0)) (and (= ~pumpRunning~0 0) .cse0 (= ~waterLevel~0 1)))) [2023-03-31 01:16:37,812 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 895) no Hoare annotation was computed. [2023-03-31 01:16:37,812 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 907) 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 01:16:37,812 INFO L895 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:37,812 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 876) no Hoare annotation was computed. [2023-03-31 01:16:37,813 INFO L899 garLoopResultBuilder]: For program point L870-1(lines 870 876) no Hoare annotation was computed. [2023-03-31 01:16:37,813 INFO L895 garLoopResultBuilder]: At program point L897(lines 850 899) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:37,813 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2023-03-31 01:16:37,813 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2023-03-31 01:16:37,813 INFO L899 garLoopResultBuilder]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2023-03-31 01:16:37,813 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 856) no Hoare annotation was computed. [2023-03-31 01:16:37,813 INFO L895 garLoopResultBuilder]: At program point L900(lines 849 901) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 01:16:37,813 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 840 907) no Hoare annotation was computed. [2023-03-31 01:16:37,813 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 688 695) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,813 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 688 695) no Hoare annotation was computed. [2023-03-31 01:16:37,813 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 688 695) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 1002 1010) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1002 1010) the Hoare annotation is: true [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 1002 1010) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 956 978) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 956 978) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 956 978) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 972) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point L964-2(lines 964 972) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L895 garLoopResultBuilder]: At program point L702(line 702) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point L702-1(line 702) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 697 713) no Hoare annotation was computed. [2023-03-31 01:16:37,814 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 697 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,815 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 697 713) no Hoare annotation was computed. [2023-03-31 01:16:37,815 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 979 987) the Hoare annotation is: true [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 979 987) no Hoare annotation was computed. [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 979 987) no Hoare annotation was computed. [2023-03-31 01:16:37,815 INFO L902 garLoopResultBuilder]: At program point L785(line 785) the Hoare annotation is: true [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 778 796) no Hoare annotation was computed. [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point L785-1(line 785) no Hoare annotation was computed. [2023-03-31 01:16:37,815 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 778 796) the Hoare annotation is: true [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 778 796) no Hoare annotation was computed. [2023-03-31 01:16:37,815 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2023-03-31 01:16:37,816 INFO L899 garLoopResultBuilder]: For program point L609(lines 608 627) no Hoare annotation was computed. [2023-03-31 01:16:37,816 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 605 628) no Hoare annotation was computed. [2023-03-31 01:16:37,816 INFO L895 garLoopResultBuilder]: At program point L618(line 618) 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)|)) .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 01:16:37,816 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 605 628) 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) (= 0 ~systemActive~0)))) [2023-03-31 01:16:37,816 INFO L895 garLoopResultBuilder]: At program point L616(lines 616 622) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 (not .cse2)) (and .cse3 .cse1) .cse4)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= ~waterLevel~0 1))) (let ((.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse3 .cse5 .cse6) .cse4 .cse2)))) [2023-03-31 01:16:37,816 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 605 628) no Hoare annotation was computed. [2023-03-31 01:16:37,816 INFO L895 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1)) (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0))) [2023-03-31 01:16:37,816 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-03-31 01:16:37,816 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2023-03-31 01:16:37,817 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-03-31 01:16:37,817 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2023-03-31 01:16:37,817 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2023-03-31 01:16:37,817 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 90 119) the Hoare annotation is: true [2023-03-31 01:16:37,817 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2023-03-31 01:16:37,817 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2023-03-31 01:16:37,817 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-03-31 01:16:37,817 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2023-03-31 01:16:37,817 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 947 955) the Hoare annotation is: true [2023-03-31 01:16:37,817 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 947 955) no Hoare annotation was computed. [2023-03-31 01:16:37,817 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 947 955) no Hoare annotation was computed. [2023-03-31 01:16:37,817 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 911 922) no Hoare annotation was computed. [2023-03-31 01:16:37,818 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 911 922) the Hoare annotation is: (or (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,818 INFO L899 garLoopResultBuilder]: For program point L915-1(lines 911 922) no Hoare annotation was computed. [2023-03-31 01:16:37,818 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 831 838) no Hoare annotation was computed. [2023-03-31 01:16:37,818 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 831 838) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2023-03-31 01:16:37,818 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 831 838) no Hoare annotation was computed. [2023-03-31 01:16:37,818 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2023-03-31 01:16:37,818 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 637 661) no Hoare annotation was computed. [2023-03-31 01:16:37,818 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,818 INFO L899 garLoopResultBuilder]: For program point L656-1(lines 637 661) no Hoare annotation was computed. [2023-03-31 01:16:37,818 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~5 0)) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,819 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 637 661) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,819 INFO L895 garLoopResultBuilder]: At program point L647(line 647) 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 01:16:37,819 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2023-03-31 01:16:37,819 INFO L895 garLoopResultBuilder]: At program point L643(line 643) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,819 INFO L899 garLoopResultBuilder]: For program point L643-1(line 643) no Hoare annotation was computed. [2023-03-31 01:16:37,819 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 923 934) no Hoare annotation was computed. [2023-03-31 01:16:37,819 INFO L899 garLoopResultBuilder]: For program point L927-1(lines 923 934) no Hoare annotation was computed. [2023-03-31 01:16:37,819 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 923 934) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse1 .cse2 (= 0 ~systemActive~0)))) [2023-03-31 01:16:37,819 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 584 591) no Hoare annotation was computed. [2023-03-31 01:16:37,819 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 584 591) the Hoare annotation is: true [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 584 591) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 733 741) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 733 741) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 733 741) the Hoare annotation is: true [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point L761(lines 761 769) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 742 777) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 757) no Hoare annotation was computed. [2023-03-31 01:16:37,820 INFO L899 garLoopResultBuilder]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 742 777) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point L772(line 772) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 742 777) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 195 240) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 195 240) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 195 240) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 155 164) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 155 164) 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 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 155 164) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 722 732) no Hoare annotation was computed. [2023-03-31 01:16:37,821 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 722 732) the Hoare annotation is: true [2023-03-31 01:16:37,822 INFO L902 garLoopResultBuilder]: At program point L727(line 727) the Hoare annotation is: true [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 722 732) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point L727-1(line 727) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 714 721) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 714 721) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 714 721) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 496) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 476 496) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 462 507) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 462 507) no Hoare annotation was computed. [2023-03-31 01:16:37,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 462 507) no Hoare annotation was computed. [2023-03-31 01:16:37,823 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 489) no Hoare annotation was computed. [2023-03-31 01:16:37,823 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:16:37,823 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:16:37,823 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:16:37,829 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 455) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point L409(lines 408 428) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point L440-1(line 440) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 446) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 359 461) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point L424(line 424) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 359 461) no Hoare annotation was computed. [2023-03-31 01:16:37,830 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2023-03-31 01:16:37,831 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 458) no Hoare annotation was computed. [2023-03-31 01:16:37,831 INFO L899 garLoopResultBuilder]: For program point L410(lines 410 414) no Hoare annotation was computed. [2023-03-31 01:16:37,831 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 428) no Hoare annotation was computed. [2023-03-31 01:16:37,831 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 359 461) no Hoare annotation was computed. [2023-03-31 01:16:37,831 INFO L899 garLoopResultBuilder]: For program point L429(lines 407 430) no Hoare annotation was computed. [2023-03-31 01:16:37,831 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 404) no Hoare annotation was computed. [2023-03-31 01:16:37,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:37,832 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 01:16:37,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:37,832 INFO L899 garLoopResultBuilder]: For program point L939-1(lines 935 946) no Hoare annotation was computed. [2023-03-31 01:16:37,832 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 935 946) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= 0 ~systemActive~0)))) [2023-03-31 01:16:37,832 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 935 946) no Hoare annotation was computed. [2023-03-31 01:16:37,832 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:37,832 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:37,832 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 01:16:37,832 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 147 153) no Hoare annotation was computed. [2023-03-31 01:16:37,833 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 147 153) the Hoare annotation is: true [2023-03-31 01:16:37,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:37,833 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 01:16:37,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:37,833 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 01:16:37,836 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:37,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:16:37,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:16:37 BoogieIcfgContainer [2023-03-31 01:16:37,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:16:37,868 INFO L158 Benchmark]: Toolchain (without parser) took 31852.16ms. Allocated memory was 308.3MB in the beginning and 947.9MB in the end (delta: 639.6MB). Free memory was 259.0MB in the beginning and 907.7MB in the end (delta: -648.8MB). Peak memory consumption was 567.0MB. Max. memory is 8.0GB. [2023-03-31 01:16:37,869 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:16:37,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.16ms. Allocated memory is still 308.3MB. Free memory was 258.6MB in the beginning and 239.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 01:16:37,869 INFO L158 Benchmark]: Boogie Preprocessor took 68.32ms. Allocated memory is still 308.3MB. Free memory was 239.6MB in the beginning and 236.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:16:37,869 INFO L158 Benchmark]: RCFGBuilder took 867.84ms. Allocated memory is still 308.3MB. Free memory was 236.3MB in the beginning and 260.4MB in the end (delta: -24.1MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-03-31 01:16:37,870 INFO L158 Benchmark]: TraceAbstraction took 30480.34ms. Allocated memory was 308.3MB in the beginning and 947.9MB in the end (delta: 639.6MB). Free memory was 259.8MB in the beginning and 907.7MB in the end (delta: -647.9MB). Peak memory consumption was 567.0MB. Max. memory is 8.0GB. [2023-03-31 01:16:37,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 429.16ms. Allocated memory is still 308.3MB. Free memory was 258.6MB in the beginning and 239.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.32ms. Allocated memory is still 308.3MB. Free memory was 239.6MB in the beginning and 236.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 867.84ms. Allocated memory is still 308.3MB. Free memory was 236.3MB in the beginning and 260.4MB in the end (delta: -24.1MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 30480.34ms. Allocated memory was 308.3MB in the beginning and 947.9MB in the end (delta: 639.6MB). Free memory was 259.8MB in the beginning and 907.7MB in the end (delta: -647.9MB). Peak memory consumption was 567.0MB. 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: 588]: 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 44 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.4s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4409 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4262 mSDsluCounter, 3584 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2892 mSDsCounter, 2661 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10425 IncrementalHoareTripleChecker+Invalid, 13086 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2661 mSolverCounterUnsat, 692 mSDtfsCounter, 10425 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1869 GetRequests, 1594 SyntacticMatches, 25 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4052 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2404occurred in iteration=10, InterpolantAutomatonStates: 203, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1098 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4648 PreInvPairs, 4799 NumberOfFragments, 1105 HoareAnnotationTreeSize, 4648 FomulaSimplifications, 168939 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 69 FomulaSimplificationsInter, 22010 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2171 NumberOfCodeBlocks, 2171 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2394 ConstructedInterpolants, 0 QuantifiedInterpolants, 4231 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3215 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 651/723 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: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 01:16:37,897 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...