/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:10:08,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:10:08,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:10:08,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:10:08,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:10:08,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:10:08,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:10:08,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:10:08,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:10:08,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:10:08,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:10:08,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:10:08,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:10:08,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:10:08,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:10:08,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:10:08,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:10:08,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:10:08,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:10:08,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:10:08,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:10:08,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:10:08,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:10:08,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:10:08,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:10:08,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:10:08,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:10:08,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:10:08,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:10:08,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:10:08,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:10:08,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:10:08,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:10:08,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:10:08,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:10:08,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:10:08,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:10:08,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:10:08,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:10:08,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:10:08,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:10:08,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:10:09,003 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:10:09,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:10:09,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:10:09,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:10:09,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:10:09,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:10:09,006 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:10:09,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:10:09,006 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:10:09,006 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:10:09,007 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:10:09,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:10:09,007 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:10:09,007 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:10:09,007 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:10:09,007 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:10:09,008 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:10:09,008 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:10:09,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:10:09,008 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:10:09,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:10:09,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:10:09,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:10:09,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:10:09,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:10:09,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:10:09,010 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:10:09,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:10:09,010 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:10:09,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:10:09,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:09,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:10:09,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:10:09,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:10:09,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:10:09,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:10:09,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:10:09,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:10:09,260 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:10:09,261 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:10:09,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2023-04-03 01:10:10,418 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:10:10,662 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:10:10,662 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2023-04-03 01:10:10,680 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9245d1f/532aae7b6fc44f3886fe6c1a34394378/FLAG5220e612f [2023-04-03 01:10:10,692 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9245d1f/532aae7b6fc44f3886fe6c1a34394378 [2023-04-03 01:10:10,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:10:10,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:10:10,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:10,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:10:10,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:10:10,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:10" (1/1) ... [2023-04-03 01:10:10,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453f8687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:10, skipping insertion in model container [2023-04-03 01:10:10,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:10" (1/1) ... [2023-04-03 01:10:10,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:10:10,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:10:10,932 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2023-04-03 01:10:10,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:10,981 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:10:11,055 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2023-04-03 01:10:11,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:11,100 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:10:11,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11 WrapperNode [2023-04-03 01:10:11,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:11,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:10:11,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:10:11,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:10:11,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:10:11,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:10:11,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:10:11,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:10:11,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (1/1) ... [2023-04-03 01:10:11,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:11,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:10:11,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:10:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:10:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:10:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:10:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:10:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:10:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:10:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:10:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:10:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:10:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:10:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:10:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:10:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:10:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:10:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:10:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:10:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:10:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:10:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:10:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:10:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:10:11,386 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:10:11,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:10:12,008 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:10:12,151 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:10:12,151 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:10:12,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:12 BoogieIcfgContainer [2023-04-03 01:10:12,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:10:12,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:10:12,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:10:12,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:10:12,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:10:10" (1/3) ... [2023-04-03 01:10:12,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cfa7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:12, skipping insertion in model container [2023-04-03 01:10:12,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:11" (2/3) ... [2023-04-03 01:10:12,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cfa7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:12, skipping insertion in model container [2023-04-03 01:10:12,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:12" (3/3) ... [2023-04-03 01:10:12,168 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2023-04-03 01:10:12,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:10:12,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:10:12,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:10:12,236 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=FINITE_AUTOMATA, 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;@46250632, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:10:12,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:10:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 94 states have internal predecessors, (100), 55 states have call successors, (55), 34 states have call predecessors, (55), 34 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2023-04-03 01:10:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:10:12,251 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:12,251 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 01:10:12,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:12,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:12,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2033699598, now seen corresponding path program 1 times [2023-04-03 01:10:12,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:12,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835842396] [2023-04-03 01:10:12,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:12,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:12,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:12,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835842396] [2023-04-03 01:10:12,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835842396] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:12,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:12,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:10:12,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803534623] [2023-04-03 01:10:12,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:12,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:10:12,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:12,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:10:12,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:12,565 INFO L87 Difference]: Start difference. First operand has 170 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 94 states have internal predecessors, (100), 55 states have call successors, (55), 34 states have call predecessors, (55), 34 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:12,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:12,670 INFO L93 Difference]: Finished difference Result 270 states and 331 transitions. [2023-04-03 01:10:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:10:12,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:10:12,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:12,683 INFO L225 Difference]: With dead ends: 270 [2023-04-03 01:10:12,683 INFO L226 Difference]: Without dead ends: 137 [2023-04-03 01:10:12,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:12,692 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:12,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:12,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-04-03 01:10:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-04-03 01:10:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 82 states have internal predecessors, (86), 40 states have call successors, (40), 32 states have call predecessors, (40), 27 states have return successors, (35), 29 states have call predecessors, (35), 35 states have call successors, (35) [2023-04-03 01:10:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2023-04-03 01:10:12,747 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 52 [2023-04-03 01:10:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:12,747 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2023-04-03 01:10:12,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2023-04-03 01:10:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:10:12,751 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:12,751 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 01:10:12,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:10:12,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:12,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:12,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1009539395, now seen corresponding path program 1 times [2023-04-03 01:10:12,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:12,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356198945] [2023-04-03 01:10:12,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:12,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:12,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356198945] [2023-04-03 01:10:12,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356198945] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:12,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:12,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:10:12,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203378771] [2023-04-03 01:10:12,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:12,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:10:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:12,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:10:12,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:12,901 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:12,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:12,959 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2023-04-03 01:10:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:10:12,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:10:12,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:12,961 INFO L225 Difference]: With dead ends: 221 [2023-04-03 01:10:12,962 INFO L226 Difference]: Without dead ends: 129 [2023-04-03 01:10:12,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:12,966 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 11 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:12,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 246 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:12,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-04-03 01:10:12,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-04-03 01:10:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 64 states have (on average 1.25) internal successors, (80), 77 states have internal predecessors, (80), 37 states have call successors, (37), 31 states have call predecessors, (37), 27 states have return successors, (33), 27 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-03 01:10:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2023-04-03 01:10:12,979 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 53 [2023-04-03 01:10:12,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:12,979 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2023-04-03 01:10:12,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:12,980 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2023-04-03 01:10:12,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-03 01:10:12,982 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:12,982 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 01:10:12,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:10:12,982 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:12,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:12,983 INFO L85 PathProgramCache]: Analyzing trace with hash 810773748, now seen corresponding path program 1 times [2023-04-03 01:10:12,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:12,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154483356] [2023-04-03 01:10:12,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:12,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:13,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:13,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154483356] [2023-04-03 01:10:13,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154483356] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:13,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:13,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:13,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151007328] [2023-04-03 01:10:13,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:13,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:13,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:13,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:13,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:13,294 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:13,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:13,657 INFO L93 Difference]: Finished difference Result 386 states and 464 transitions. [2023-04-03 01:10:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:10:13,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-03 01:10:13,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:13,667 INFO L225 Difference]: With dead ends: 386 [2023-04-03 01:10:13,668 INFO L226 Difference]: Without dead ends: 282 [2023-04-03 01:10:13,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:10:13,676 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 309 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:13,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 551 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:13,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-04-03 01:10:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2023-04-03 01:10:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 142 states have (on average 1.2816901408450705) internal successors, (182), 168 states have internal predecessors, (182), 75 states have call successors, (75), 62 states have call predecessors, (75), 56 states have return successors, (72), 55 states have call predecessors, (72), 71 states have call successors, (72) [2023-04-03 01:10:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 329 transitions. [2023-04-03 01:10:13,725 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 329 transitions. Word has length 56 [2023-04-03 01:10:13,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:13,726 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 329 transitions. [2023-04-03 01:10:13,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 329 transitions. [2023-04-03 01:10:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-03 01:10:13,728 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:13,729 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:13,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:10:13,729 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:13,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1176838555, now seen corresponding path program 1 times [2023-04-03 01:10:13,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698547705] [2023-04-03 01:10:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:10:13,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:13,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698547705] [2023-04-03 01:10:13,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698547705] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:13,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:13,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:10:13,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007043404] [2023-04-03 01:10:13,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:13,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:10:13,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:13,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:10:13,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:10:13,869 INFO L87 Difference]: Start difference. First operand 274 states and 329 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:10:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:14,116 INFO L93 Difference]: Finished difference Result 634 states and 802 transitions. [2023-04-03 01:10:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:10:14,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-04-03 01:10:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:14,120 INFO L225 Difference]: With dead ends: 634 [2023-04-03 01:10:14,120 INFO L226 Difference]: Without dead ends: 385 [2023-04-03 01:10:14,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:14,122 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 94 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:14,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 548 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2023-04-03 01:10:14,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 371. [2023-04-03 01:10:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 203 states have (on average 1.2266009852216748) internal successors, (249), 223 states have internal predecessors, (249), 91 states have call successors, (91), 82 states have call predecessors, (91), 76 states have return successors, (105), 78 states have call predecessors, (105), 87 states have call successors, (105) [2023-04-03 01:10:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 445 transitions. [2023-04-03 01:10:14,166 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 445 transitions. Word has length 61 [2023-04-03 01:10:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:14,166 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 445 transitions. [2023-04-03 01:10:14,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:10:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 445 transitions. [2023-04-03 01:10:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-04-03 01:10:14,169 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:14,169 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 01:10:14,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:10:14,170 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:14,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1256818217, now seen corresponding path program 1 times [2023-04-03 01:10:14,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:14,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909505271] [2023-04-03 01:10:14,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:14,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:14,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:14,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909505271] [2023-04-03 01:10:14,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909505271] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:14,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:14,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:10:14,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733926806] [2023-04-03 01:10:14,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:14,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:10:14,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:14,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:10:14,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:10:14,608 INFO L87 Difference]: Start difference. First operand 371 states and 445 transitions. Second operand has 12 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:10:15,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:15,228 INFO L93 Difference]: Finished difference Result 1155 states and 1399 transitions. [2023-04-03 01:10:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:10:15,228 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) Word has length 83 [2023-04-03 01:10:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:15,235 INFO L225 Difference]: With dead ends: 1155 [2023-04-03 01:10:15,235 INFO L226 Difference]: Without dead ends: 809 [2023-04-03 01:10:15,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:10:15,242 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 349 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:15,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1161 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 01:10:15,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2023-04-03 01:10:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2023-04-03 01:10:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 448 states have (on average 1.2165178571428572) internal successors, (545), 482 states have internal predecessors, (545), 180 states have call successors, (180), 163 states have call predecessors, (180), 162 states have return successors, (219), 174 states have call predecessors, (219), 176 states have call successors, (219) [2023-04-03 01:10:15,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 944 transitions. [2023-04-03 01:10:15,319 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 944 transitions. Word has length 83 [2023-04-03 01:10:15,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:15,321 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 944 transitions. [2023-04-03 01:10:15,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:10:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 944 transitions. [2023-04-03 01:10:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-04-03 01:10:15,329 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:15,329 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 01:10:15,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:10:15,329 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:15,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:15,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1276259057, now seen corresponding path program 1 times [2023-04-03 01:10:15,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:15,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250375786] [2023-04-03 01:10:15,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:15,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:15,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:15,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250375786] [2023-04-03 01:10:15,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250375786] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:15,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:15,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:10:15,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690228361] [2023-04-03 01:10:15,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:15,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:10:15,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:15,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:10:15,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:15,694 INFO L87 Difference]: Start difference. First operand 791 states and 944 transitions. Second operand has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:10:16,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:16,572 INFO L93 Difference]: Finished difference Result 2531 states and 3099 transitions. [2023-04-03 01:10:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:16,573 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 86 [2023-04-03 01:10:16,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:16,585 INFO L225 Difference]: With dead ends: 2531 [2023-04-03 01:10:16,586 INFO L226 Difference]: Without dead ends: 1925 [2023-04-03 01:10:16,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:10:16,593 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 323 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:16,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 331 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:10:16,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2023-04-03 01:10:16,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1637. [2023-04-03 01:10:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 928 states have (on average 1.2198275862068966) internal successors, (1132), 993 states have internal predecessors, (1132), 366 states have call successors, (366), 327 states have call predecessors, (366), 342 states have return successors, (477), 371 states have call predecessors, (477), 362 states have call successors, (477) [2023-04-03 01:10:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 1975 transitions. [2023-04-03 01:10:16,797 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 1975 transitions. Word has length 86 [2023-04-03 01:10:16,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:16,798 INFO L495 AbstractCegarLoop]: Abstraction has 1637 states and 1975 transitions. [2023-04-03 01:10:16,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:10:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 1975 transitions. [2023-04-03 01:10:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-03 01:10:16,805 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:16,806 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:16,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:10:16,807 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:16,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:16,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2016130951, now seen corresponding path program 1 times [2023-04-03 01:10:16,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:16,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856794973] [2023-04-03 01:10:16,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:16,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-03 01:10:17,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:17,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856794973] [2023-04-03 01:10:17,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856794973] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:17,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105779880] [2023-04-03 01:10:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:17,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:17,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:17,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:17,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:10:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:17,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:10:17,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:10:17,470 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-03 01:10:17,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105779880] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:17,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1748216421] [2023-04-03 01:10:17,937 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2023-04-03 01:10:17,937 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:17,941 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:17,945 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:17,946 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:18,163 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:18,203 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:18,415 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:18,500 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:18,503 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:18,506 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:21,821 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 45 for LOIs [2023-04-03 01:10:21,831 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 53 for LOIs [2023-04-03 01:10:22,435 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 45 for LOIs [2023-04-03 01:10:22,442 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:10:22,621 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2023-04-03 01:10:22,626 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:10:22,629 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 49 for LOIs [2023-04-03 01:10:22,719 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:22,722 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:22,725 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:22,727 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:22,730 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 49 for LOIs [2023-04-03 01:10:22,761 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:22,786 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:22,926 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:22,997 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:23,002 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:23,006 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:27,251 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13330#(and (<= 1 |#StackHeapBarrier|) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:27,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:27,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:27,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 17 [2023-04-03 01:10:27,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023062877] [2023-04-03 01:10:27,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:27,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-03 01:10:27,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:27,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-03 01:10:27,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=4235, Unknown=0, NotChecked=0, Total=4692 [2023-04-03 01:10:27,256 INFO L87 Difference]: Start difference. First operand 1637 states and 1975 transitions. Second operand has 17 states, 12 states have (on average 9.75) internal successors, (117), 14 states have internal predecessors, (117), 7 states have call successors, (51), 6 states have call predecessors, (51), 10 states have return successors, (53), 10 states have call predecessors, (53), 7 states have call successors, (53) [2023-04-03 01:10:28,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:28,707 INFO L93 Difference]: Finished difference Result 3299 states and 4049 transitions. [2023-04-03 01:10:28,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-03 01:10:28,708 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 9.75) internal successors, (117), 14 states have internal predecessors, (117), 7 states have call successors, (51), 6 states have call predecessors, (51), 10 states have return successors, (53), 10 states have call predecessors, (53), 7 states have call successors, (53) Word has length 143 [2023-04-03 01:10:28,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:28,716 INFO L225 Difference]: With dead ends: 3299 [2023-04-03 01:10:28,717 INFO L226 Difference]: Without dead ends: 1847 [2023-04-03 01:10:28,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 374 SyntacticMatches, 7 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3669 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=743, Invalid=7999, Unknown=0, NotChecked=0, Total=8742 [2023-04-03 01:10:28,724 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 507 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:28,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 989 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 01:10:28,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2023-04-03 01:10:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1706. [2023-04-03 01:10:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 957 states have (on average 1.1912225705329154) internal successors, (1140), 1034 states have internal predecessors, (1140), 385 states have call successors, (385), 352 states have call predecessors, (385), 363 states have return successors, (458), 372 states have call predecessors, (458), 381 states have call successors, (458) [2023-04-03 01:10:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 1983 transitions. [2023-04-03 01:10:28,843 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 1983 transitions. Word has length 143 [2023-04-03 01:10:28,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:28,845 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 1983 transitions. [2023-04-03 01:10:28,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 9.75) internal successors, (117), 14 states have internal predecessors, (117), 7 states have call successors, (51), 6 states have call predecessors, (51), 10 states have return successors, (53), 10 states have call predecessors, (53), 7 states have call successors, (53) [2023-04-03 01:10:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 1983 transitions. [2023-04-03 01:10:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-04-03 01:10:28,851 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:28,852 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 01:10:28,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:10:29,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:29,059 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:29,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:29,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1226961351, now seen corresponding path program 1 times [2023-04-03 01:10:29,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:29,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480731374] [2023-04-03 01:10:29,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:29,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-03 01:10:29,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:29,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480731374] [2023-04-03 01:10:29,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480731374] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:29,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880990416] [2023-04-03 01:10:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:29,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:29,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:29,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:29,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:10:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:29,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:10:29,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-03 01:10:29,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 01:10:30,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880990416] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:30,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1387498982] [2023-04-03 01:10:30,201 INFO L159 IcfgInterpreter]: Started Sifa with 104 locations of interest [2023-04-03 01:10:30,201 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:30,202 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:30,202 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:30,202 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:30,322 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:30,347 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:30,455 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:30,492 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:32,617 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 45 for LOIs [2023-04-03 01:10:32,625 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 53 for LOIs [2023-04-03 01:10:33,067 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 45 for LOIs [2023-04-03 01:10:33,074 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 49 for LOIs [2023-04-03 01:10:33,195 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:33,218 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:33,360 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:33,430 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:33,434 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:33,438 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 40 for LOIs [2023-04-03 01:10:33,459 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 40 for LOIs [2023-04-03 01:10:33,462 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:33,463 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:33,464 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:10:33,646 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:10:33,649 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:10:33,652 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 49 for LOIs [2023-04-03 01:10:33,736 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:33,738 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:33,741 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:33,743 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:33,745 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:39,690 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21621#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:39,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:39,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:39,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 23 [2023-04-03 01:10:39,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19274230] [2023-04-03 01:10:39,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:39,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-03 01:10:39,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:39,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-03 01:10:39,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=6313, Unknown=0, NotChecked=0, Total=6806 [2023-04-03 01:10:39,694 INFO L87 Difference]: Start difference. First operand 1706 states and 1983 transitions. Second operand has 23 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 5 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (50), 11 states have call predecessors, (50), 5 states have call successors, (50) [2023-04-03 01:10:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:41,613 INFO L93 Difference]: Finished difference Result 6444 states and 9154 transitions. [2023-04-03 01:10:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-03 01:10:41,613 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 5 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (50), 11 states have call predecessors, (50), 5 states have call successors, (50) Word has length 187 [2023-04-03 01:10:41,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:41,646 INFO L225 Difference]: With dead ends: 6444 [2023-04-03 01:10:41,647 INFO L226 Difference]: Without dead ends: 4765 [2023-04-03 01:10:41,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 496 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3472 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=625, Invalid=8305, Unknown=0, NotChecked=0, Total=8930 [2023-04-03 01:10:41,658 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 306 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 3019 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 3019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:41,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1296 Invalid, 3169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 3019 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 01:10:41,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2023-04-03 01:10:41,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 2698. [2023-04-03 01:10:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 1525 states have (on average 1.1862295081967213) internal successors, (1809), 1651 states have internal predecessors, (1809), 585 states have call successors, (585), 540 states have call predecessors, (585), 587 states have return successors, (799), 596 states have call predecessors, (799), 581 states have call successors, (799) [2023-04-03 01:10:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3193 transitions. [2023-04-03 01:10:41,986 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3193 transitions. Word has length 187 [2023-04-03 01:10:41,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:41,988 INFO L495 AbstractCegarLoop]: Abstraction has 2698 states and 3193 transitions. [2023-04-03 01:10:41,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 5 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (50), 11 states have call predecessors, (50), 5 states have call successors, (50) [2023-04-03 01:10:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3193 transitions. [2023-04-03 01:10:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-03 01:10:41,993 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:41,993 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:42,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:10:42,201 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,SelfDestructingSolverStorable7 [2023-04-03 01:10:42,202 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:42,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:42,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1791600681, now seen corresponding path program 1 times [2023-04-03 01:10:42,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:42,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138623889] [2023-04-03 01:10:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:42,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 52 proven. 20 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 01:10:42,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:42,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138623889] [2023-04-03 01:10:42,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138623889] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:42,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907072323] [2023-04-03 01:10:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:42,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:42,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:42,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:42,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:10:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:42,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-03 01:10:42,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 92 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:10:43,223 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 01:10:44,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907072323] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:44,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [550457681] [2023-04-03 01:10:44,915 INFO L159 IcfgInterpreter]: Started Sifa with 104 locations of interest [2023-04-03 01:10:44,915 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:44,915 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:44,915 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:44,916 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:45,049 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:45,067 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:45,163 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:45,199 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:47,296 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 37 for LOIs [2023-04-03 01:10:47,301 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:10:47,626 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:47,630 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:10:47,683 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:47,700 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:47,827 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:47,907 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:47,911 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:47,913 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2023-04-03 01:10:47,926 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 28 for LOIs [2023-04-03 01:10:47,928 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:47,930 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:47,931 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:10:48,178 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:10:48,182 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:10:48,186 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 37 for LOIs [2023-04-03 01:10:48,216 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:48,218 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:48,220 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:48,221 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:48,223 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:54,437 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '35672#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:54,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:54,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:54,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-04-03 01:10:54,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941076909] [2023-04-03 01:10:54,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:54,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-03 01:10:54,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:54,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-03 01:10:54,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=8301, Unknown=0, NotChecked=0, Total=8930 [2023-04-03 01:10:54,442 INFO L87 Difference]: Start difference. First operand 2698 states and 3193 transitions. Second operand has 36 states, 27 states have (on average 5.296296296296297) internal successors, (143), 27 states have internal predecessors, (143), 12 states have call successors, (56), 5 states have call predecessors, (56), 18 states have return successors, (62), 21 states have call predecessors, (62), 11 states have call successors, (62) [2023-04-03 01:10:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:56,928 INFO L93 Difference]: Finished difference Result 5232 states and 6399 transitions. [2023-04-03 01:10:56,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-03 01:10:56,929 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 27 states have (on average 5.296296296296297) internal successors, (143), 27 states have internal predecessors, (143), 12 states have call successors, (56), 5 states have call predecessors, (56), 18 states have return successors, (62), 21 states have call predecessors, (62), 11 states have call successors, (62) Word has length 192 [2023-04-03 01:10:56,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:56,931 INFO L225 Difference]: With dead ends: 5232 [2023-04-03 01:10:56,931 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:10:56,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 508 SyntacticMatches, 11 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7145 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1219, Invalid=16073, Unknown=0, NotChecked=0, Total=17292 [2023-04-03 01:10:56,949 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 802 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 3267 mSolverCounterSat, 723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 723 IncrementalHoareTripleChecker+Valid, 3267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:56,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 947 Invalid, 3990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [723 Valid, 3267 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 01:10:56,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:10:56,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:10:56,950 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) [2023-04-03 01:10:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:10:56,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2023-04-03 01:10:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:56,952 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:10:56,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 27 states have (on average 5.296296296296297) internal successors, (143), 27 states have internal predecessors, (143), 12 states have call successors, (56), 5 states have call predecessors, (56), 18 states have return successors, (62), 21 states have call predecessors, (62), 11 states have call successors, (62) [2023-04-03 01:10:56,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:10:56,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:10:56,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:10:56,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:10:57,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:57,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:11:09,163 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:11:09,163 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:11:09,163 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-03 01:11:09,163 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-03 01:11:09,163 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:11:09,163 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:11:09,163 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 547 555) no Hoare annotation was computed. [2023-04-03 01:11:09,164 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 547 555) the Hoare annotation is: true [2023-04-03 01:11:09,164 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,164 INFO L895 garLoopResultBuilder]: At program point L510-1(line 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,164 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2023-04-03 01:11:09,165 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 508 515) no Hoare annotation was computed. [2023-04-03 01:11:09,165 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-03 01:11:09,165 INFO L895 garLoopResultBuilder]: At program point L505(line 505) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,165 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 498 520) no Hoare annotation was computed. [2023-04-03 01:11:09,165 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,165 INFO L895 garLoopResultBuilder]: At program point L504-1(line 504) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,165 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 498 520) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,165 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 451 474) no Hoare annotation was computed. [2023-04-03 01:11:09,165 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 451 474) no Hoare annotation was computed. [2023-04-03 01:11:09,165 INFO L899 garLoopResultBuilder]: For program point L469(line 469) no Hoare annotation was computed. [2023-04-03 01:11:09,165 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L460(line 460) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 451 474) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2023-04-03 01:11:09,166 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 973 987) no Hoare annotation was computed. [2023-04-03 01:11:09,167 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 973 987) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse4 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse4 (= 1 ~systemActive~0) .cse2 (not (= |old(~systemActive~0)| 1))) (or .cse0 .cse1 .cse4 .cse2 .cse3))) [2023-04-03 01:11:09,167 INFO L895 garLoopResultBuilder]: At program point L979(line 979) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1) (or .cse2 .cse1 .cse3 .cse4) (or .cse5 .cse6 (= 1 ~systemActive~0) .cse3 (not (= |old(~systemActive~0)| 1))) (or .cse5 .cse2 .cse6 .cse3 .cse4) (or .cse0 (< 1 ~waterLevel~0)))) [2023-04-03 01:11:09,167 INFO L902 garLoopResultBuilder]: At program point L961(line 961) the Hoare annotation is: true [2023-04-03 01:11:09,167 INFO L899 garLoopResultBuilder]: For program point L961-1(line 961) no Hoare annotation was computed. [2023-04-03 01:11:09,167 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 954 972) the Hoare annotation is: true [2023-04-03 01:11:09,167 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 954 972) no Hoare annotation was computed. [2023-04-03 01:11:09,167 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 533 539) no Hoare annotation was computed. [2023-04-03 01:11:09,167 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 533 539) the Hoare annotation is: true [2023-04-03 01:11:09,167 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:11:09,167 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:11:09,167 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 719 732) the Hoare annotation is: true [2023-04-03 01:11:09,168 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 719 732) no Hoare annotation was computed. [2023-04-03 01:11:09,168 INFO L895 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:11:09,168 INFO L899 garLoopResultBuilder]: For program point L857-1(lines 838 862) no Hoare annotation was computed. [2023-04-03 01:11:09,168 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 838 862) no Hoare annotation was computed. [2023-04-03 01:11:09,168 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,168 INFO L895 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,168 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 854) no Hoare annotation was computed. [2023-04-03 01:11:09,168 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,168 INFO L899 garLoopResultBuilder]: For program point L844-1(line 844) no Hoare annotation was computed. [2023-04-03 01:11:09,168 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 859) no Hoare annotation was computed. [2023-04-03 01:11:09,169 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 838 862) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,169 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 778 784) no Hoare annotation was computed. [2023-04-03 01:11:09,169 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 778 784) the Hoare annotation is: true [2023-04-03 01:11:09,169 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2023-04-03 01:11:09,169 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| 0))) (or (not .cse0) (and .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse2 .cse0) (and .cse2 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse2 .cse6 .cse0))) [2023-04-03 01:11:09,169 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 567 632) no Hoare annotation was computed. [2023-04-03 01:11:09,169 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2023-04-03 01:11:09,169 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-04-03 01:11:09,169 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| 0))) (or (not .cse0) (and .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse2 .cse0) (and .cse2 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse2 .cse6 .cse0))) [2023-04-03 01:11:09,169 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1))) (or (not .cse0) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse0) (and .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse4 .cse0) (and .cse3 .cse0 (= ~waterLevel~0 1) .cse5 .cse6) (and .cse2 .cse3 .cse0 .cse5 .cse6))) [2023-04-03 01:11:09,169 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-04-03 01:11:09,169 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2023-04-03 01:11:09,170 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 567 632) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,170 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,170 INFO L895 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| 0))) (or (not .cse0) (and .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse2 .cse0) (and .cse2 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse2 .cse6 .cse0))) [2023-04-03 01:11:09,170 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2023-04-03 01:11:09,170 INFO L895 garLoopResultBuilder]: At program point L613-1(lines 607 620) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| 0))) (or (not .cse0) (and .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse2 .cse0) (and .cse2 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse2 .cse6 .cse0))) [2023-04-03 01:11:09,170 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 567 632) no Hoare annotation was computed. [2023-04-03 01:11:09,170 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2023-04-03 01:11:09,170 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 733 741) the Hoare annotation is: true [2023-04-03 01:11:09,170 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 733 741) no Hoare annotation was computed. [2023-04-03 01:11:09,170 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 687 709) no Hoare annotation was computed. [2023-04-03 01:11:09,172 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 687 709) no Hoare annotation was computed. [2023-04-03 01:11:09,172 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2023-04-03 01:11:09,172 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 863 870) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-04-03 01:11:09,172 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 710 718) the Hoare annotation is: true [2023-04-03 01:11:09,172 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 710 718) no Hoare annotation was computed. [2023-04-03 01:11:09,172 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 935 953) no Hoare annotation was computed. [2023-04-03 01:11:09,173 INFO L902 garLoopResultBuilder]: At program point L942(line 942) the Hoare annotation is: true [2023-04-03 01:11:09,173 INFO L899 garLoopResultBuilder]: For program point L942-1(line 942) no Hoare annotation was computed. [2023-04-03 01:11:09,173 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 935 953) the Hoare annotation is: true [2023-04-03 01:11:09,173 INFO L895 garLoopResultBuilder]: At program point L767(line 767) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse1 (let ((.cse2 (+ ~waterLevel~0 1))) (and (or (and (= |old(~waterLevel~0)| .cse2) (< 0 |old(~waterLevel~0)|)) .cse3) (or (<= |old(~waterLevel~0)| 0) (<= .cse2 |old(~waterLevel~0)|)) .cse4 .cse5))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse3 (not .cse1)) (< 2 |old(~waterLevel~0)|)) (or .cse0 (and (= ~waterLevel~0 1) .cse4 .cse5) (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-04-03 01:11:09,173 INFO L895 garLoopResultBuilder]: At program point L765(lines 765 771) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse3 (= ~pumpRunning~0 1))) (and (let ((.cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3) (not .cse4) .cse5 (and .cse6 .cse1 .cse2))) (let ((.cse9 (+ ~waterLevel~0 1))) (let ((.cse7 (or (and (= |old(~waterLevel~0)| .cse9) (< 0 |old(~waterLevel~0)|)) .cse10)) (.cse8 (or (<= |old(~waterLevel~0)| 0) (<= .cse9 |old(~waterLevel~0)|)))) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse6 .cse7 .cse8 .cse2) (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse5 (and .cse7 .cse8 .cse2 .cse3)))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse10) (and (= 2 ~waterLevel~0) (not .cse5) .cse4 .cse3) (< 2 |old(~waterLevel~0)|)))) [2023-04-03 01:11:09,173 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 (and (= 2 ~waterLevel~0) .cse2 .cse3)) (or (not (= |old(~pumpRunning~0)| 0)) .cse4) (or .cse0 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse1 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3)))) [2023-04-03 01:11:09,173 INFO L899 garLoopResultBuilder]: For program point L758(lines 754 776) no Hoare annotation was computed. [2023-04-03 01:11:09,174 INFO L899 garLoopResultBuilder]: For program point L756(lines 754 776) no Hoare annotation was computed. [2023-04-03 01:11:09,174 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 751 777) no Hoare annotation was computed. [2023-04-03 01:11:09,174 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 751 777) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 2 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= 0 ~systemActive~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 1))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse4 .cse5) (or .cse6 .cse3 .cse7 (and .cse2 .cse8)) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse1 .cse9)) (or .cse6 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse7 .cse5 (and .cse9 .cse4 .cse8)))) [2023-04-03 01:11:09,174 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 751 777) no Hoare annotation was computed. [2023-04-03 01:11:09,174 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2023-04-03 01:11:09,174 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2023-04-03 01:11:09,174 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2023-04-03 01:11:09,174 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2023-04-03 01:11:09,174 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2023-04-03 01:11:09,174 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2023-04-03 01:11:09,174 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 418 447) the Hoare annotation is: true [2023-04-03 01:11:09,174 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2023-04-03 01:11:09,174 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2023-04-03 01:11:09,175 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 678 686) the Hoare annotation is: true [2023-04-03 01:11:09,175 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 678 686) no Hoare annotation was computed. [2023-04-03 01:11:09,175 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 642 653) no Hoare annotation was computed. [2023-04-03 01:11:09,175 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 642 653) the Hoare annotation is: (let ((.cse0 (< ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (or (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) [2023-04-03 01:11:09,175 INFO L895 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (and .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~5 0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-04-03 01:11:09,175 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 2 ~waterLevel~0)) .cse0))) [2023-04-03 01:11:09,175 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 786 810) no Hoare annotation was computed. [2023-04-03 01:11:09,175 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 802) no Hoare annotation was computed. [2023-04-03 01:11:09,176 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:11:09,176 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2023-04-03 01:11:09,176 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 807) no Hoare annotation was computed. [2023-04-03 01:11:09,177 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 786 810) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,177 INFO L895 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,177 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 786 810) no Hoare annotation was computed. [2023-04-03 01:11:09,177 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 654 665) no Hoare annotation was computed. [2023-04-03 01:11:09,177 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 654 665) the Hoare annotation is: (let ((.cse5 (< 1 |old(~waterLevel~0)|)) (.cse7 (= 0 ~systemActive~0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~pumpRunning~0 1))) (.cse4 (and (or .cse5 (< |old(~waterLevel~0)| 1) .cse7) (or .cse7 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2 .cse4) (or .cse5 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse6 .cse7) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (= ~waterLevel~0 1)) (or .cse5 .cse0 .cse6)))) [2023-04-03 01:11:09,177 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 557 564) the Hoare annotation is: true [2023-04-03 01:11:09,177 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2023-04-03 01:11:09,177 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 557 564) no Hoare annotation was computed. [2023-04-03 01:11:09,177 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:11:09,177 INFO L899 garLoopResultBuilder]: For program point L831-1(lines 812 836) no Hoare annotation was computed. [2023-04-03 01:11:09,177 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 812 836) no Hoare annotation was computed. [2023-04-03 01:11:09,177 INFO L895 garLoopResultBuilder]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,178 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,178 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 828) no Hoare annotation was computed. [2023-04-03 01:11:09,178 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,178 INFO L899 garLoopResultBuilder]: For program point L818-1(line 818) no Hoare annotation was computed. [2023-04-03 01:11:09,178 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 833) no Hoare annotation was computed. [2023-04-03 01:11:09,178 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 836) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:09,178 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 540 546) the Hoare annotation is: true [2023-04-03 01:11:09,178 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 540 546) no Hoare annotation was computed. [2023-04-03 01:11:09,178 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 990 997) no Hoare annotation was computed. [2023-04-03 01:11:09,178 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 990 997) the Hoare annotation is: true [2023-04-03 01:11:09,178 INFO L899 garLoopResultBuilder]: For program point L1003(line 1003) no Hoare annotation was computed. [2023-04-03 01:11:09,178 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 998 1007) no Hoare annotation was computed. [2023-04-03 01:11:09,178 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 998 1007) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (< |old(~switchedOnBeforeTS~0)| 1) .cse1) (or .cse0 (not (= ~pumpRunning~0 1)) (= 0 ~systemActive~0) .cse1 (< |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) [2023-04-03 01:11:09,178 INFO L895 garLoopResultBuilder]: At program point L1023(line 1023) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= 2 ~waterLevel~0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 .cse2) (or .cse3 .cse4) (or .cse3 .cse0) (or .cse4 .cse1 .cse2))) [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1027) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point L1020(lines 1020 1030) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L895 garLoopResultBuilder]: At program point L1018(line 1018) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse4 (not (= ~pumpRunning~0 1))) (.cse5 (= 0 ~systemActive~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0)) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse4 .cse5) (or .cse0 .cse2 .cse3))) [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point L1018-1(line 1018) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point L1016(lines 1016 1033) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point L1016-1(lines 1008 1036) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L902 garLoopResultBuilder]: At program point L1014(line 1014) the Hoare annotation is: true [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point L1014-1(line 1014) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 1008 1036) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1008 1036) the Hoare annotation is: true [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 890 898) no Hoare annotation was computed. [2023-04-03 01:11:09,179 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 898) the Hoare annotation is: true [2023-04-03 01:11:09,179 INFO L899 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2023-04-03 01:11:09,180 INFO L899 garLoopResultBuilder]: For program point L929-1(line 929) no Hoare annotation was computed. [2023-04-03 01:11:09,180 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 899 934) no Hoare annotation was computed. [2023-04-03 01:11:09,180 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 899 934) no Hoare annotation was computed. [2023-04-03 01:11:09,180 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:11:09,180 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:11:09,180 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 484 494) no Hoare annotation was computed. [2023-04-03 01:11:09,180 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 484 494) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,180 INFO L895 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:09,180 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 484 494) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 879 889) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 879 889) the Hoare annotation is: true [2023-04-03 01:11:09,181 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 871 878) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 871 878) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3))) [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-03 01:11:09,181 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 523 532) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 523 532) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:09,182 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:09,183 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:11:09,183 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 666 677) the Hoare annotation is: true [2023-04-03 01:11:09,183 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 666 677) no Hoare annotation was computed. [2023-04-03 01:11:09,183 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 475 481) no Hoare annotation was computed. [2023-04-03 01:11:09,183 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 475 481) the Hoare annotation is: true [2023-04-03 01:11:09,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:09,183 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:11:09,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:11:09,183 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:11:09,186 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:11:09,188 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:11:09,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:11:09 BoogieIcfgContainer [2023-04-03 01:11:09,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:11:09,203 INFO L158 Benchmark]: Toolchain (without parser) took 58507.59ms. Allocated memory was 175.1MB in the beginning and 1.0GB in the end (delta: 865.1MB). Free memory was 141.8MB in the beginning and 807.1MB in the end (delta: -665.3MB). Peak memory consumption was 641.5MB. Max. memory is 8.0GB. [2023-04-03 01:11:09,204 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:11:09,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.04ms. Allocated memory is still 175.1MB. Free memory was 141.8MB in the beginning and 122.7MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:11:09,204 INFO L158 Benchmark]: Boogie Preprocessor took 87.65ms. Allocated memory is still 175.1MB. Free memory was 122.7MB in the beginning and 119.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:11:09,205 INFO L158 Benchmark]: RCFGBuilder took 968.99ms. Allocated memory was 175.1MB in the beginning and 269.5MB in the end (delta: 94.4MB). Free memory was 119.1MB in the beginning and 220.5MB in the end (delta: -101.4MB). Peak memory consumption was 54.7MB. Max. memory is 8.0GB. [2023-04-03 01:11:09,205 INFO L158 Benchmark]: TraceAbstraction took 57041.60ms. Allocated memory was 269.5MB in the beginning and 1.0GB in the end (delta: 770.7MB). Free memory was 220.0MB in the beginning and 807.1MB in the end (delta: -587.0MB). Peak memory consumption was 624.6MB. Max. memory is 8.0GB. [2023-04-03 01:11:09,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 404.04ms. Allocated memory is still 175.1MB. Free memory was 141.8MB in the beginning and 122.7MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.65ms. Allocated memory is still 175.1MB. Free memory was 122.7MB in the beginning and 119.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 968.99ms. Allocated memory was 175.1MB in the beginning and 269.5MB in the end (delta: 94.4MB). Free memory was 119.1MB in the beginning and 220.5MB in the end (delta: -101.4MB). Peak memory consumption was 54.7MB. Max. memory is 8.0GB. * TraceAbstraction took 57041.60ms. Allocated memory was 269.5MB in the beginning and 1.0GB in the end (delta: 770.7MB). Free memory was 220.0MB in the beginning and 807.1MB in the end (delta: -587.0MB). Peak memory consumption was 624.6MB. 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: 561]: 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 45 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.0s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2796 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2701 mSDsluCounter, 6220 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5030 mSDsCounter, 1706 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10256 IncrementalHoareTripleChecker+Invalid, 11962 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1706 mSolverCounterUnsat, 1190 mSDtfsCounter, 10256 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1792 GetRequests, 1404 SyntacticMatches, 24 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14373 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2698occurred in iteration=8, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 2536 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4781 PreInvPairs, 5235 NumberOfFragments, 2115 HoareAnnotationTreeSize, 4781 FomulaSimplifications, 68430 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 72 FomulaSimplificationsInter, 62242 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1435 NumberOfCodeBlocks, 1435 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1942 ConstructedInterpolants, 0 QuantifiedInterpolants, 3530 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1867 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 810/903 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (((2 == waterLevel && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && \old(pumpRunning) == 0)) || ((((splverifierCounter == 0 && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) && pumpRunning == 1)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && \old(pumpRunning) == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:11:09,239 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...