/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_spec2_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:01:03,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:01:03,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:01:03,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:01:03,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:01:03,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:01:03,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:01:03,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:01:03,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:01:03,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:01:03,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:01:03,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:01:03,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:01:03,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:01:03,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:01:03,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:01:03,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:01:03,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:01:03,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:01:03,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:01:03,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:01:03,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:01:03,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:01:03,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:01:03,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:01:03,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:01:03,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:01:03,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:01:03,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:01:03,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:01:03,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:01:03,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:01:03,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:01:03,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:01:03,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:01:03,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:01:03,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:01:03,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:01:03,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:01:03,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:01:03,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:01:03,672 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 01:01:03,701 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:01:03,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:01:03,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:01:03,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:01:03,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:01:03,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:01:03,703 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:01:03,703 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:01:03,703 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:01:03,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:01:03,704 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:01:03,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:01:03,704 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:01:03,704 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:01:03,704 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:01:03,705 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:01:03,705 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:01:03,705 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:01:03,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:01:03,705 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:01:03,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:01:03,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:01:03,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:01:03,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:01:03,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:01:03,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:01:03,707 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:01:03,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:01:03,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:01:03,707 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:01:03,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:01:03,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:01:03,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:01:03,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:01:03,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:01:03,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:01:03,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:01:03,940 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:01:03,940 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:01:03,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2023-04-03 01:01:05,086 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:01:05,304 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:01:05,305 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2023-04-03 01:01:05,316 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5f245faa/bf449aa2011a446fb9e80bbca28e6074/FLAG127f1583a [2023-04-03 01:01:05,328 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5f245faa/bf449aa2011a446fb9e80bbca28e6074 [2023-04-03 01:01:05,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:01:05,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:01:05,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:01:05,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:01:05,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:01:05,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241ff3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05, skipping insertion in model container [2023-04-03 01:01:05,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:01:05,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:01:05,614 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_spec2_product52.cil.c[19177,19190] [2023-04-03 01:01:05,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:01:05,640 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:01:05,738 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_spec2_product52.cil.c[19177,19190] [2023-04-03 01:01:05,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:01:05,759 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:01:05,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05 WrapperNode [2023-04-03 01:01:05,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:01:05,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:01:05,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:01:05,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:01:05,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,865 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:01:05,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:01:05,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:01:05,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:01:05,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (1/1) ... [2023-04-03 01:01:05,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:01:05,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:05,914 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 01:01:05,917 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 01:01:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:01:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:01:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:01:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:01:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:01:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:01:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:01:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:01:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:01:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:01:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:01:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:01:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:01:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:01:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:01:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:01:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:01:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:01:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:01:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:01:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:01:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:01:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:01:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:01:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:01:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:01:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:01:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:01:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:01:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:01:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:01:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:01:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:01:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:01:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:01:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:01:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:01:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:01:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:01:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:01:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:01:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:01:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:01:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:01:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:01:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:01:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:01:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:01:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:01:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:01:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:01:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:01:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:01:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:01:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:01:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:01:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:01:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:01:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:01:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:01:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:01:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:01:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:01:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:01:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:01:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:01:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:01:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:01:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:01:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:01:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:01:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:01:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:01:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:01:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:01:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:01:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:01:06,118 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:01:06,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:01:06,682 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:01:06,830 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:01:06,830 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:01:06,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:01:06 BoogieIcfgContainer [2023-04-03 01:01:06,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:01:06,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:01:06,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:01:06,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:01:06,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:01:05" (1/3) ... [2023-04-03 01:01:06,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbad0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:01:06, skipping insertion in model container [2023-04-03 01:01:06,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:01:05" (2/3) ... [2023-04-03 01:01:06,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbad0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:01:06, skipping insertion in model container [2023-04-03 01:01:06,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:01:06" (3/3) ... [2023-04-03 01:01:06,843 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2023-04-03 01:01:06,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:01:06,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:01:06,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:01:06,921 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;@fcf5691, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:01:06,921 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:01:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 86 states have internal predecessors, (91), 49 states have call successors, (49), 31 states have call predecessors, (49), 31 states have return successors, (49), 44 states have call predecessors, (49), 49 states have call successors, (49) [2023-04-03 01:01:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:01:06,937 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:06,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:06,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:06,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:06,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1493758609, now seen corresponding path program 1 times [2023-04-03 01:01:06,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:06,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447011599] [2023-04-03 01:01:06,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:06,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:07,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447011599] [2023-04-03 01:01:07,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447011599] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:07,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:07,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:01:07,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736795673] [2023-04-03 01:01:07,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:07,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:01:07,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:07,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:01:07,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:01:07,280 INFO L87 Difference]: Start difference. First operand has 155 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 86 states have internal predecessors, (91), 49 states have call successors, (49), 31 states have call predecessors, (49), 31 states have return successors, (49), 44 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:01:07,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:07,375 INFO L93 Difference]: Finished difference Result 236 states and 287 transitions. [2023-04-03 01:01:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:01:07,378 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-03 01:01:07,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:07,387 INFO L225 Difference]: With dead ends: 236 [2023-04-03 01:01:07,388 INFO L226 Difference]: Without dead ends: 120 [2023-04-03 01:01:07,391 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 01:01:07,393 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:07,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:07,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-03 01:01:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-04-03 01:01:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 73 states have internal predecessors, (76), 34 states have call successors, (34), 29 states have call predecessors, (34), 24 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:01:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2023-04-03 01:01:07,435 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 46 [2023-04-03 01:01:07,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:07,435 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2023-04-03 01:01:07,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:01:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2023-04-03 01:01:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:01:07,438 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:07,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:07,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:01:07,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:07,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:07,440 INFO L85 PathProgramCache]: Analyzing trace with hash -968033290, now seen corresponding path program 1 times [2023-04-03 01:01:07,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:07,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676565749] [2023-04-03 01:01:07,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:07,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:07,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676565749] [2023-04-03 01:01:07,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676565749] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:07,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:07,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:01:07,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250115339] [2023-04-03 01:01:07,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:07,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:07,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:07,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:07,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:07,599 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:01:07,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:07,669 INFO L93 Difference]: Finished difference Result 184 states and 212 transitions. [2023-04-03 01:01:07,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:07,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:01:07,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:07,674 INFO L225 Difference]: With dead ends: 184 [2023-04-03 01:01:07,674 INFO L226 Difference]: Without dead ends: 112 [2023-04-03 01:01:07,675 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 01:01:07,676 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 11 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:07,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 205 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:01:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-04-03 01:01:07,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-04-03 01:01:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 56 states have (on average 1.25) internal successors, (70), 68 states have internal predecessors, (70), 31 states have call successors, (31), 28 states have call predecessors, (31), 24 states have return successors, (27), 22 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:01:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2023-04-03 01:01:07,701 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 47 [2023-04-03 01:01:07,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:07,702 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2023-04-03 01:01:07,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:01:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2023-04-03 01:01:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 01:01:07,710 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:07,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:07,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:01:07,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:07,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:07,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1285912543, now seen corresponding path program 1 times [2023-04-03 01:01:07,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:07,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305719004] [2023-04-03 01:01:07,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:07,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:07,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:07,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305719004] [2023-04-03 01:01:07,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305719004] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:07,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:07,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:01:07,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979955560] [2023-04-03 01:01:07,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:07,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:01:07,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:07,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:01:07,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:01:07,994 INFO L87 Difference]: Start difference. First operand 112 states and 128 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:01:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:08,329 INFO L93 Difference]: Finished difference Result 332 states and 396 transitions. [2023-04-03 01:01:08,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:01:08,330 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 51 [2023-04-03 01:01:08,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:08,338 INFO L225 Difference]: With dead ends: 332 [2023-04-03 01:01:08,338 INFO L226 Difference]: Without dead ends: 245 [2023-04-03 01:01:08,344 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 01:01:08,346 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 257 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:08,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 488 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:01:08,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-04-03 01:01:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 233. [2023-04-03 01:01:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 124 states have (on average 1.2903225806451613) internal successors, (160), 147 states have internal predecessors, (160), 60 states have call successors, (60), 54 states have call predecessors, (60), 48 states have return successors, (57), 44 states have call predecessors, (57), 56 states have call successors, (57) [2023-04-03 01:01:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 277 transitions. [2023-04-03 01:01:08,396 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 277 transitions. Word has length 51 [2023-04-03 01:01:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:08,396 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 277 transitions. [2023-04-03 01:01:08,396 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:01:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 277 transitions. [2023-04-03 01:01:08,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-03 01:01:08,404 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:08,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:08,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:01:08,404 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:08,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:08,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1215053846, now seen corresponding path program 1 times [2023-04-03 01:01:08,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:08,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687010850] [2023-04-03 01:01:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:08,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:08,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:08,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687010850] [2023-04-03 01:01:08,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687010850] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:08,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:08,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:01:08,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899314648] [2023-04-03 01:01:08,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:08,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:01:08,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:01:08,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:01:08,569 INFO L87 Difference]: Start difference. First operand 233 states and 277 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:01:08,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:08,732 INFO L93 Difference]: Finished difference Result 631 states and 768 transitions. [2023-04-03 01:01:08,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:01:08,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2023-04-03 01:01:08,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:08,736 INFO L225 Difference]: With dead ends: 631 [2023-04-03 01:01:08,736 INFO L226 Difference]: Without dead ends: 423 [2023-04-03 01:01:08,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 01:01:08,747 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 87 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:08,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 469 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:01:08,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-04-03 01:01:08,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 411. [2023-04-03 01:01:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 222 states have (on average 1.2837837837837838) internal successors, (285), 264 states have internal predecessors, (285), 104 states have call successors, (104), 92 states have call predecessors, (104), 84 states have return successors, (102), 76 states have call predecessors, (102), 100 states have call successors, (102) [2023-04-03 01:01:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 491 transitions. [2023-04-03 01:01:08,804 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 491 transitions. Word has length 55 [2023-04-03 01:01:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:08,805 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 491 transitions. [2023-04-03 01:01:08,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-03 01:01:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 491 transitions. [2023-04-03 01:01:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-03 01:01:08,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:08,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:08,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:01:08,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:08,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:08,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1270751582, now seen corresponding path program 1 times [2023-04-03 01:01:08,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:08,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602779596] [2023-04-03 01:01:08,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:08,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:08,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:08,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602779596] [2023-04-03 01:01:08,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602779596] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:08,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:08,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:01:08,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067104594] [2023-04-03 01:01:08,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:08,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:01:08,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:08,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:01:08,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:01:08,939 INFO L87 Difference]: Start difference. First operand 411 states and 491 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:01:09,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:09,372 INFO L93 Difference]: Finished difference Result 1091 states and 1426 transitions. [2023-04-03 01:01:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:01:09,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-04-03 01:01:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:09,379 INFO L225 Difference]: With dead ends: 1091 [2023-04-03 01:01:09,379 INFO L226 Difference]: Without dead ends: 705 [2023-04-03 01:01:09,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:01:09,381 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 145 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:09,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 281 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:01:09,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-04-03 01:01:09,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 616. [2023-04-03 01:01:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 345 states have (on average 1.2173913043478262) internal successors, (420), 379 states have internal predecessors, (420), 134 states have call successors, (134), 122 states have call predecessors, (134), 136 states have return successors, (182), 136 states have call predecessors, (182), 130 states have call successors, (182) [2023-04-03 01:01:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 736 transitions. [2023-04-03 01:01:09,452 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 736 transitions. Word has length 58 [2023-04-03 01:01:09,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:09,453 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 736 transitions. [2023-04-03 01:01:09,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:01:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 736 transitions. [2023-04-03 01:01:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-03 01:01:09,455 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:09,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:09,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:01:09,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:09,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:09,456 INFO L85 PathProgramCache]: Analyzing trace with hash 396859612, now seen corresponding path program 1 times [2023-04-03 01:01:09,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:09,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286772214] [2023-04-03 01:01:09,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:09,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:09,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:09,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286772214] [2023-04-03 01:01:09,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286772214] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:09,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:09,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:01:09,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085782217] [2023-04-03 01:01:09,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:09,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:09,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:09,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:09,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:09,534 INFO L87 Difference]: Start difference. First operand 616 states and 736 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 01:01:09,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:09,624 INFO L93 Difference]: Finished difference Result 867 states and 1062 transitions. [2023-04-03 01:01:09,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:09,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2023-04-03 01:01:09,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:09,630 INFO L225 Difference]: With dead ends: 867 [2023-04-03 01:01:09,630 INFO L226 Difference]: Without dead ends: 864 [2023-04-03 01:01:09,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 01:01:09,631 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 97 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:09,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 196 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:09,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2023-04-03 01:01:09,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 824. [2023-04-03 01:01:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 459 states have (on average 1.2178649237472767) internal successors, (559), 506 states have internal predecessors, (559), 180 states have call successors, (180), 164 states have call predecessors, (180), 184 states have return successors, (270), 181 states have call predecessors, (270), 176 states have call successors, (270) [2023-04-03 01:01:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1009 transitions. [2023-04-03 01:01:09,720 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1009 transitions. Word has length 76 [2023-04-03 01:01:09,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:09,721 INFO L495 AbstractCegarLoop]: Abstraction has 824 states and 1009 transitions. [2023-04-03 01:01:09,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 01:01:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1009 transitions. [2023-04-03 01:01:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 01:01:09,725 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:09,725 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:09,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:01:09,726 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:09,726 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1855087121, now seen corresponding path program 1 times [2023-04-03 01:01:09,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:09,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837738326] [2023-04-03 01:01:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:09,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 01:01:10,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:10,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837738326] [2023-04-03 01:01:10,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837738326] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:10,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83912527] [2023-04-03 01:01:10,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:10,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:10,197 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 01:01:10,205 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 01:01:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:10,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 33 conjunts are in the unsatisfiable core [2023-04-03 01:01:10,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:10,777 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:10,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83912527] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:10,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:10,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 22 [2023-04-03 01:01:10,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898819747] [2023-04-03 01:01:10,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:10,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:01:10,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:10,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:01:10,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2023-04-03 01:01:10,779 INFO L87 Difference]: Start difference. First operand 824 states and 1009 transitions. Second operand has 14 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 6 states have call successors, (30), 5 states have call predecessors, (30), 7 states have return successors, (24), 7 states have call predecessors, (24), 6 states have call successors, (24) [2023-04-03 01:01:12,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:12,130 INFO L93 Difference]: Finished difference Result 2317 states and 2953 transitions. [2023-04-03 01:01:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-03 01:01:12,131 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 6 states have call successors, (30), 5 states have call predecessors, (30), 7 states have return successors, (24), 7 states have call predecessors, (24), 6 states have call successors, (24) Word has length 129 [2023-04-03 01:01:12,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:12,139 INFO L225 Difference]: With dead ends: 2317 [2023-04-03 01:01:12,139 INFO L226 Difference]: Without dead ends: 1518 [2023-04-03 01:01:12,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=1420, Unknown=0, NotChecked=0, Total=1640 [2023-04-03 01:01:12,142 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 212 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:12,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 448 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-03 01:01:12,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2023-04-03 01:01:12,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1409. [2023-04-03 01:01:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 835 states have (on average 1.2203592814371258) internal successors, (1019), 900 states have internal predecessors, (1019), 296 states have call successors, (296), 290 states have call predecessors, (296), 277 states have return successors, (422), 272 states have call predecessors, (422), 292 states have call successors, (422) [2023-04-03 01:01:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1737 transitions. [2023-04-03 01:01:12,267 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1737 transitions. Word has length 129 [2023-04-03 01:01:12,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:12,267 INFO L495 AbstractCegarLoop]: Abstraction has 1409 states and 1737 transitions. [2023-04-03 01:01:12,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 6 states have call successors, (30), 5 states have call predecessors, (30), 7 states have return successors, (24), 7 states have call predecessors, (24), 6 states have call successors, (24) [2023-04-03 01:01:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1737 transitions. [2023-04-03 01:01:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 01:01:12,272 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:12,273 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:12,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:12,480 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 01:01:12,481 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:12,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:12,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1663209792, now seen corresponding path program 1 times [2023-04-03 01:01:12,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:12,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157784508] [2023-04-03 01:01:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:12,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 01:01:12,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:12,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157784508] [2023-04-03 01:01:12,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157784508] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:12,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574417604] [2023-04-03 01:01:12,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:12,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:12,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:12,617 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 01:01:12,641 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 01:01:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:12,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-03 01:01:12,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:12,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:01:12,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574417604] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:12,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:01:12,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-03 01:01:12,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382669731] [2023-04-03 01:01:12,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:12,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:12,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:12,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:12,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:01:12,818 INFO L87 Difference]: Start difference. First operand 1409 states and 1737 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 01:01:12,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:12,971 INFO L93 Difference]: Finished difference Result 2730 states and 3381 transitions. [2023-04-03 01:01:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:12,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 129 [2023-04-03 01:01:12,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:12,978 INFO L225 Difference]: With dead ends: 2730 [2023-04-03 01:01:12,978 INFO L226 Difference]: Without dead ends: 1346 [2023-04-03 01:01:12,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:01:12,982 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 47 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:12,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 239 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2023-04-03 01:01:13,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1325. [2023-04-03 01:01:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 788 states have (on average 1.1865482233502538) internal successors, (935), 847 states have internal predecessors, (935), 274 states have call successors, (274), 268 states have call predecessors, (274), 262 states have return successors, (325), 258 states have call predecessors, (325), 270 states have call successors, (325) [2023-04-03 01:01:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1534 transitions. [2023-04-03 01:01:13,082 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1534 transitions. Word has length 129 [2023-04-03 01:01:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:13,082 INFO L495 AbstractCegarLoop]: Abstraction has 1325 states and 1534 transitions. [2023-04-03 01:01:13,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 01:01:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1534 transitions. [2023-04-03 01:01:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 01:01:13,086 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:13,087 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:13,099 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 01:01:13,294 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 01:01:13,294 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:13,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:13,295 INFO L85 PathProgramCache]: Analyzing trace with hash 906736699, now seen corresponding path program 1 times [2023-04-03 01:01:13,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:13,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150769474] [2023-04-03 01:01:13,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:13,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:01:14,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:14,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150769474] [2023-04-03 01:01:14,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150769474] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:14,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97024016] [2023-04-03 01:01:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:14,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:14,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:14,039 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 01:01:14,042 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 01:01:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:14,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 54 conjunts are in the unsatisfiable core [2023-04-03 01:01:14,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:01:14,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:01:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:01:15,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97024016] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:01:15,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1870902935] [2023-04-03 01:01:15,322 INFO L159 IcfgInterpreter]: Started Sifa with 100 locations of interest [2023-04-03 01:01:15,322 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:01:15,325 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:01:15,329 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:01:15,329 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:01:15,529 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:01:15,572 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:01:15,769 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:01:15,832 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:01:20,873 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2023-04-03 01:01:20,890 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-03 01:01:21,217 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 34 for LOIs [2023-04-03 01:01:21,222 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 30 for LOIs [2023-04-03 01:01:21,300 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 32 for LOIs [2023-04-03 01:01:21,303 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:01:21,306 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 28 for LOIs [2023-04-03 01:01:21,308 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:01:21,446 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 35 for LOIs [2023-04-03 01:01:21,584 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 30 for LOIs [2023-04-03 01:01:21,654 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 30 for LOIs [2023-04-03 01:01:21,660 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 42 for LOIs [2023-04-03 01:01:21,664 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 31 for LOIs [2023-04-03 01:01:21,666 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 31 for LOIs [2023-04-03 01:01:21,721 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 31 for LOIs [2023-04-03 01:01:21,726 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 40 for LOIs [2023-04-03 01:01:21,731 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__1 with input of size 28 for LOIs [2023-04-03 01:01:21,734 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:01:21,736 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:01:21,737 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:01:21,740 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:01:21,742 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:01:28,283 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21284#(and (<= 1 |#StackHeapBarrier|) (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (not (= ~methAndRunningLastTime~0 0)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:01:28,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:01:28,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:01:28,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 37 [2023-04-03 01:01:28,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833695335] [2023-04-03 01:01:28,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:01:28,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-04-03 01:01:28,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:28,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-04-03 01:01:28,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=662, Invalid=8268, Unknown=0, NotChecked=0, Total=8930 [2023-04-03 01:01:28,289 INFO L87 Difference]: Start difference. First operand 1325 states and 1534 transitions. Second operand has 37 states, 25 states have (on average 4.6) internal successors, (115), 28 states have internal predecessors, (115), 11 states have call successors, (61), 11 states have call predecessors, (61), 21 states have return successors, (54), 18 states have call predecessors, (54), 11 states have call successors, (54) [2023-04-03 01:01:30,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:30,842 INFO L93 Difference]: Finished difference Result 5351 states and 6700 transitions. [2023-04-03 01:01:30,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-03 01:01:30,842 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 25 states have (on average 4.6) internal successors, (115), 28 states have internal predecessors, (115), 11 states have call successors, (61), 11 states have call predecessors, (61), 21 states have return successors, (54), 18 states have call predecessors, (54), 11 states have call successors, (54) Word has length 132 [2023-04-03 01:01:30,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:30,865 INFO L225 Difference]: With dead ends: 5351 [2023-04-03 01:01:30,865 INFO L226 Difference]: Without dead ends: 4051 [2023-04-03 01:01:30,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 309 SyntacticMatches, 22 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6235 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=959, Invalid=11473, Unknown=0, NotChecked=0, Total=12432 [2023-04-03 01:01:30,875 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 981 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 3646 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 4449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 3646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:30,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 953 Invalid, 4449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 3646 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 01:01:30,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4051 states. [2023-04-03 01:01:31,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4051 to 3201. [2023-04-03 01:01:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3201 states, 1942 states have (on average 1.1910401647785789) internal successors, (2313), 2066 states have internal predecessors, (2313), 649 states have call successors, (649), 637 states have call predecessors, (649), 609 states have return successors, (765), 599 states have call predecessors, (765), 645 states have call successors, (765) [2023-04-03 01:01:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 3201 states and 3727 transitions. [2023-04-03 01:01:31,153 INFO L78 Accepts]: Start accepts. Automaton has 3201 states and 3727 transitions. Word has length 132 [2023-04-03 01:01:31,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:31,154 INFO L495 AbstractCegarLoop]: Abstraction has 3201 states and 3727 transitions. [2023-04-03 01:01:31,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 25 states have (on average 4.6) internal successors, (115), 28 states have internal predecessors, (115), 11 states have call successors, (61), 11 states have call predecessors, (61), 21 states have return successors, (54), 18 states have call predecessors, (54), 11 states have call successors, (54) [2023-04-03 01:01:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3727 transitions. [2023-04-03 01:01:31,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 01:01:31,158 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:31,159 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:31,167 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 01:01:31,365 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 01:01:31,366 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:31,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:31,366 INFO L85 PathProgramCache]: Analyzing trace with hash 94578709, now seen corresponding path program 1 times [2023-04-03 01:01:31,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:31,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510329140] [2023-04-03 01:01:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:31,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 01:01:31,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:31,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510329140] [2023-04-03 01:01:31,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510329140] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:01:31,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:01:31,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:01:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815734236] [2023-04-03 01:01:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:01:31,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:01:31,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:31,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:01:31,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:01:31,428 INFO L87 Difference]: Start difference. First operand 3201 states and 3727 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 01:01:31,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:31,598 INFO L93 Difference]: Finished difference Result 5148 states and 6027 transitions. [2023-04-03 01:01:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:01:31,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2023-04-03 01:01:31,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:31,610 INFO L225 Difference]: With dead ends: 5148 [2023-04-03 01:01:31,610 INFO L226 Difference]: Without dead ends: 1972 [2023-04-03 01:01:31,619 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 01:01:31,620 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 39 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:31,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 241 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:01:31,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2023-04-03 01:01:31,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1827. [2023-04-03 01:01:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1827 states, 1112 states have (on average 1.1843525179856116) internal successors, (1317), 1199 states have internal predecessors, (1317), 366 states have call successors, (366), 361 states have call predecessors, (366), 348 states have return successors, (396), 341 states have call predecessors, (396), 362 states have call successors, (396) [2023-04-03 01:01:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2079 transitions. [2023-04-03 01:01:31,757 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2079 transitions. Word has length 136 [2023-04-03 01:01:31,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:31,758 INFO L495 AbstractCegarLoop]: Abstraction has 1827 states and 2079 transitions. [2023-04-03 01:01:31,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 01:01:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2079 transitions. [2023-04-03 01:01:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-04-03 01:01:31,762 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:01:31,763 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:31,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 01:01:31,763 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:01:31,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:01:31,763 INFO L85 PathProgramCache]: Analyzing trace with hash 791140087, now seen corresponding path program 1 times [2023-04-03 01:01:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:01:31,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676393965] [2023-04-03 01:01:31,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:31,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:01:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 71 proven. 37 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-04-03 01:01:32,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:01:32,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676393965] [2023-04-03 01:01:32,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676393965] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:01:32,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696365213] [2023-04-03 01:01:32,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:01:32,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:32,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:01:32,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:01:32,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 01:01:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:01:32,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 58 conjunts are in the unsatisfiable core [2023-04-03 01:01:32,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:01:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 125 proven. 35 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 01:01:33,256 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:01:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 91 proven. 18 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-03 01:01:34,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696365213] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:01:34,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1386738056] [2023-04-03 01:01:34,596 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2023-04-03 01:01:34,596 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:01:34,597 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:01:34,597 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:01:34,598 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:01:34,726 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:01:34,752 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:01:34,858 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:01:34,894 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:01:37,653 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2023-04-03 01:01:37,657 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-03 01:01:37,848 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 34 for LOIs [2023-04-03 01:01:37,852 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 30 for LOIs [2023-04-03 01:01:37,976 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 32 for LOIs [2023-04-03 01:01:37,979 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:01:37,981 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 28 for LOIs [2023-04-03 01:01:37,983 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:01:38,176 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 35 for LOIs [2023-04-03 01:01:38,337 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 30 for LOIs [2023-04-03 01:01:38,395 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 30 for LOIs [2023-04-03 01:01:38,398 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 42 for LOIs [2023-04-03 01:01:38,402 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 31 for LOIs [2023-04-03 01:01:38,404 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 31 for LOIs [2023-04-03 01:01:38,442 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 31 for LOIs [2023-04-03 01:01:38,445 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 41 for LOIs [2023-04-03 01:01:38,448 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 40 for LOIs [2023-04-03 01:01:38,453 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__1 with input of size 28 for LOIs [2023-04-03 01:01:38,456 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:01:38,457 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:01:38,458 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:01:38,460 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:01:38,461 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:01:45,500 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '44801#(and (<= 1 |#StackHeapBarrier|) (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (not (= ~methAndRunningLastTime~0 0)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:01:45,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:01:45,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:01:45,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 16] total 37 [2023-04-03 01:01:45,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566979277] [2023-04-03 01:01:45,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:01:45,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-04-03 01:01:45,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:01:45,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-04-03 01:01:45,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=608, Invalid=8512, Unknown=0, NotChecked=0, Total=9120 [2023-04-03 01:01:45,510 INFO L87 Difference]: Start difference. First operand 1827 states and 2079 transitions. Second operand has 37 states, 28 states have (on average 6.107142857142857) internal successors, (171), 30 states have internal predecessors, (171), 17 states have call successors, (78), 9 states have call predecessors, (78), 22 states have return successors, (82), 22 states have call predecessors, (82), 17 states have call successors, (82) [2023-04-03 01:01:47,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:01:47,147 INFO L93 Difference]: Finished difference Result 2647 states and 3092 transitions. [2023-04-03 01:01:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-03 01:01:47,148 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 28 states have (on average 6.107142857142857) internal successors, (171), 30 states have internal predecessors, (171), 17 states have call successors, (78), 9 states have call predecessors, (78), 22 states have return successors, (82), 22 states have call predecessors, (82), 17 states have call successors, (82) Word has length 218 [2023-04-03 01:01:47,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:01:47,149 INFO L225 Difference]: With dead ends: 2647 [2023-04-03 01:01:47,149 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:01:47,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 556 SyntacticMatches, 35 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7675 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=978, Invalid=12132, Unknown=0, NotChecked=0, Total=13110 [2023-04-03 01:01:47,162 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 565 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 2560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:01:47,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 579 Invalid, 2560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 2068 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 01:01:47,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:01:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:01:47,162 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 01:01:47,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:01:47,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2023-04-03 01:01:47,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:01:47,163 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:01:47,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 28 states have (on average 6.107142857142857) internal successors, (171), 30 states have internal predecessors, (171), 17 states have call successors, (78), 9 states have call predecessors, (78), 22 states have return successors, (82), 22 states have call predecessors, (82), 17 states have call successors, (82) [2023-04-03 01:01:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:01:47,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:01:47,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:01:47,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 01:01:47,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:01:47,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point L734(lines 711 735) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point L718(lines 718 722) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 687 742) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 687 742) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point L769-2(lines 769 794) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point L795(lines 768 796) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 743 802) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2023-04-03 01:01:53,860 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 743 802) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 743 802) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 779) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 521 529) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 521 529) the Hoare annotation is: true [2023-04-03 01:01:53,861 INFO L895 garLoopResultBuilder]: At program point L444(line 444) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,861 INFO L895 garLoopResultBuilder]: At program point L444-1(line 444) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 442 449) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 432 454) no Hoare annotation was computed. [2023-04-03 01:01:53,861 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L895 garLoopResultBuilder]: At program point L439(line 439) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,862 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,862 INFO L895 garLoopResultBuilder]: At program point L438-1(line 438) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,862 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 432 454) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 386 409) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 386 409) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L404(line 404) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L403(line 403) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L401(line 401) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L400(line 400) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L399(line 399) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L398(line 398) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L397(line 397) no Hoare annotation was computed. [2023-04-03 01:01:53,862 INFO L899 garLoopResultBuilder]: For program point L396(line 396) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point L395(line 395) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point L394(line 394) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 386 409) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point L392(line 392) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point L391(line 391) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 (< ~waterLevel~0 1) (< 1 ~waterLevel~0) .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 331 345) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 331 345) the Hoare annotation is: (let ((.cse7 (= ~methAndRunningLastTime~0 0)) (.cse8 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse5 (= |old(~systemActive~0)| 0)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (= 0 ~systemActive~0)) (.cse1 (not .cse8)) (.cse2 (and (= ~pumpRunning~0 0) .cse7 .cse8)) (.cse4 (not .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not .cse6)) (< |old(~pumpRunning~0)| 1) .cse3) (or .cse0 (not .cse5) .cse1 .cse3 .cse6 .cse4) (or .cse1 (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0) .cse4)))) [2023-04-03 01:01:53,863 INFO L902 garLoopResultBuilder]: At program point L319(line 319) the Hoare annotation is: true [2023-04-03 01:01:53,863 INFO L899 garLoopResultBuilder]: For program point L319-1(line 319) no Hoare annotation was computed. [2023-04-03 01:01:53,863 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 312 330) the Hoare annotation is: true [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 312 330) no Hoare annotation was computed. [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 507 513) no Hoare annotation was computed. [2023-04-03 01:01:53,864 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 507 513) the Hoare annotation is: true [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 954 999) no Hoare annotation was computed. [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 954 999) no Hoare annotation was computed. [2023-04-03 01:01:53,864 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 611 624) the Hoare annotation is: true [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 611 624) no Hoare annotation was computed. [2023-04-03 01:01:53,864 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse4 .cse0 .cse1 .cse2 .cse5) (or (< 2 ~waterLevel~0) .cse3 .cse4 .cse1 (< ~waterLevel~0 2) .cse5))) [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 196 220) no Hoare annotation was computed. [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 196 220) no Hoare annotation was computed. [2023-04-03 01:01:53,864 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or (< 2 ~waterLevel~0) .cse3 .cse1 (< ~waterLevel~0 2) .cse4))) [2023-04-03 01:01:53,864 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse0 .cse2 (< ~waterLevel~0 2) .cse4) (or .cse1 .cse2 .cse3 (< |old(~pumpRunning~0)| 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2))))) [2023-04-03 01:01:53,864 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2023-04-03 01:01:53,865 INFO L895 garLoopResultBuilder]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or (< 2 ~waterLevel~0) .cse3 .cse1 (< ~waterLevel~0 2) .cse4))) [2023-04-03 01:01:53,865 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 196 220) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse4 .cse0 .cse1 .cse2 .cse5) (or (< 2 ~waterLevel~0) .cse3 .cse4 .cse1 (< ~waterLevel~0 2) .cse5))) [2023-04-03 01:01:53,865 INFO L899 garLoopResultBuilder]: For program point L202-1(line 202) no Hoare annotation was computed. [2023-04-03 01:01:53,865 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2023-04-03 01:01:53,865 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2023-04-03 01:01:53,865 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2023-04-03 01:01:53,865 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 56 123) no Hoare annotation was computed. [2023-04-03 01:01:53,865 INFO L895 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,865 INFO L895 garLoopResultBuilder]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 1 ~pumpRunning~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-04-03 01:01:53,865 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 56 123) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,866 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2023-04-03 01:01:53,866 INFO L895 garLoopResultBuilder]: At program point L104-1(lines 96 111) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (< 1 |old(~waterLevel~0)|) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (<= 1 ~pumpRunning~0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (or (= (+ |old(~waterLevel~0)| 1) ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0)))) [2023-04-03 01:01:53,866 INFO L899 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2023-04-03 01:01:53,866 INFO L895 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-03 01:01:53,866 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2023-04-03 01:01:53,866 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= 0 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (not (= |old(~systemActive~0)| 1)))) [2023-04-03 01:01:53,866 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2023-04-03 01:01:53,866 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2023-04-03 01:01:53,866 INFO L895 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (< 1 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse4 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)))) [2023-04-03 01:01:53,866 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (< 1 |old(~waterLevel~0)|) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse4 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)))) [2023-04-03 01:01:53,866 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 56 123) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 625 633) the Hoare annotation is: true [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 625 633) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L895 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse6 .cse3) (or .cse5 (< ~pumpRunning~0 1) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse4 .cse6))) [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L895 garLoopResultBuilder]: At program point L476(line 476) the Hoare annotation is: (let ((.cse7 (< ~pumpRunning~0 1)) (.cse2 (< ~waterLevel~0 1)) (.cse8 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse9 (< ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 (= ~methAndRunningLastTime~0 0) .cse8 .cse9) (or .cse6 .cse7 .cse0 .cse8 .cse4 .cse9) (or .cse0 .cse1 .cse2 .cse8 .cse3 .cse4) (or .cse6 .cse0 .cse1 .cse4 .cse9 .cse5))) [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point L476-1(line 476) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2023-04-03 01:01:53,867 INFO L895 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse7 (< ~waterLevel~0 1)) (.cse9 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse8 (not (= 1 ~systemActive~0))) (.cse5 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse3 .cse7 .cse9 .cse4 .cse6) (or .cse0 (< ~pumpRunning~0 1) .cse1 .cse2 .cse8 .cse5))) [2023-04-03 01:01:53,867 INFO L899 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 494) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse7 (< ~waterLevel~0 1)) (.cse9 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse8 (not (= 1 ~systemActive~0))) (.cse5 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse3 .cse7 .cse9 .cse4 .cse6) (or .cse0 (< ~pumpRunning~0 1) .cse1 .cse2 .cse8 .cse5))) [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 466 494) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 579 601) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 579 601) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 458 465) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 458 465) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 221 228) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 221 228) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2) (not (= ~methAndRunningLastTime~0 0))) [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 293 311) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L902 garLoopResultBuilder]: At program point L300(line 300) the Hoare annotation is: true [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point L300-1(line 300) no Hoare annotation was computed. [2023-04-03 01:01:53,868 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 293 311) the Hoare annotation is: true [2023-04-03 01:01:53,868 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 602 610) no Hoare annotation was computed. [2023-04-03 01:01:53,869 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 602 610) no Hoare annotation was computed. [2023-04-03 01:01:53,869 INFO L895 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0))) (let ((.cse2 (< |old(~pumpRunning~0)| 1)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 ~systemActive~0))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (and (= ~pumpRunning~0 0) .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse6 .cse4 .cse0 .cse7 .cse1 .cse3) (or .cse8 .cse6 .cse9 .cse10) (or .cse6 .cse1 .cse3 .cse10) (or .cse8 .cse6 .cse4 .cse9 .cse0 .cse7)))) [2023-04-03 01:01:53,869 INFO L895 garLoopResultBuilder]: At program point L149(lines 149 155) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 0)) (.cse14 (= |old(~pumpRunning~0)| 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse10 (and .cse12 .cse14 .cse13)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= 0 ~systemActive~0))) (.cse1 (not .cse14)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse9 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse4 .cse5 .cse7 .cse6 .cse8 .cse9) (or .cse1 .cse7 .cse10 .cse9 .cse11) (or .cse5 .cse7 .cse8 (and .cse12 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) .cse9) (or .cse0 .cse1 .cse3 .cse10 .cse11) (or .cse0 .cse1 .cse2 .cse3 (and .cse12 .cse13) .cse5) (or .cse1 .cse2 .cse4 .cse7 .cse6 .cse9 .cse11) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse11) (or .cse1 .cse2 .cse5 (and (<= 1 ~pumpRunning~0) .cse4 .cse13) .cse7 .cse9)))) [2023-04-03 01:01:53,869 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse7 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 (= ~methAndRunningLastTime~0 0) .cse4 .cse5 (not (= ~methaneLevelCritical~0 0)) .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse8) (or .cse1 .cse5 .cse7 .cse8) (or .cse4 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse6 .cse7) (or .cse1 .cse2 .cse4 .cse5 .cse7))) [2023-04-03 01:01:53,869 INFO L899 garLoopResultBuilder]: For program point L142(lines 141 160) no Hoare annotation was computed. [2023-04-03 01:01:53,869 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2023-04-03 01:01:53,869 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 138 161) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse15 (= ~pumpRunning~0 0)) (.cse14 (= |old(~pumpRunning~0)| 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= 0 ~systemActive~0))) (let ((.cse8 (and .cse15 .cse14 .cse12 .cse13)) (.cse7 (and .cse15 .cse1 .cse12)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse11 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (not .cse14)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse7 .cse3 .cse5) (or .cse6 .cse3 .cse8 .cse5 .cse9) (or .cse10 .cse6 .cse11 .cse8 .cse9) (or .cse10 .cse6 .cse0 .cse11 .cse2 .cse7) (or .cse10 .cse6 .cse0 .cse11 .cse1 .cse9) (or .cse2 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12) .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse3 .cse5 .cse9)))) [2023-04-03 01:01:53,869 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 138 161) no Hoare annotation was computed. [2023-04-03 01:01:53,869 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2023-04-03 01:01:53,870 INFO L902 garLoopResultBuilder]: At program point L381(lines 356 385) the Hoare annotation is: true [2023-04-03 01:01:53,870 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2023-04-03 01:01:53,870 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2023-04-03 01:01:53,870 INFO L902 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2023-04-03 01:01:53,870 INFO L902 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2023-04-03 01:01:53,870 INFO L902 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2023-04-03 01:01:53,870 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 356 385) the Hoare annotation is: true [2023-04-03 01:01:53,870 INFO L899 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2023-04-03 01:01:53,870 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 570 578) the Hoare annotation is: true [2023-04-03 01:01:53,870 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2023-04-03 01:01:53,870 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 534 545) no Hoare annotation was computed. [2023-04-03 01:01:53,870 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 534 545) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-03 01:01:53,870 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 346 353) no Hoare annotation was computed. [2023-04-03 01:01:53,871 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 346 353) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~systemActive~0)| 0)) (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 2) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-04-03 01:01:53,871 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0) .cse2) (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-04-03 01:01:53,871 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2023-04-03 01:01:53,871 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2023-04-03 01:01:53,871 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) .cse2) (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-04-03 01:01:53,871 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (< 1 ~waterLevel~0) .cse2) (or (< 2 ~waterLevel~0) .cse0 .cse1 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (< ~waterLevel~0 2) .cse2))) [2023-04-03 01:01:53,871 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2023-04-03 01:01:53,871 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0) .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 2) .cse3))) [2023-04-03 01:01:53,871 INFO L899 garLoopResultBuilder]: For program point L176-1(line 176) no Hoare annotation was computed. [2023-04-03 01:01:53,871 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2023-04-03 01:01:53,871 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 170 194) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (< 1 ~waterLevel~0) .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 2) .cse3))) [2023-04-03 01:01:53,871 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 546 557) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (< ~pumpRunning~0 1) .cse3 .cse6 .cse4 .cse7) (or (and (or .cse2 .cse6 .cse7 .cse5) (or .cse0 .cse1 .cse2 .cse5)) .cse4 (not (= 0 ~systemActive~0))))) [2023-04-03 01:01:53,872 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 1001 1008) the Hoare annotation is: true [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 514 520) the Hoare annotation is: true [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 514 520) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 248 256) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 248 256) the Hoare annotation is: true [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point L287-1(line 287) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 257 292) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 257 292) no Hoare annotation was computed. [2023-04-03 01:01:53,872 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 641 686) no Hoare annotation was computed. [2023-04-03 01:01:53,873 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 641 686) no Hoare annotation was computed. [2023-04-03 01:01:53,873 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 418 428) no Hoare annotation was computed. [2023-04-03 01:01:53,873 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 418 428) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,873 INFO L895 garLoopResultBuilder]: At program point L423(line 423) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:53,873 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 418 428) no Hoare annotation was computed. [2023-04-03 01:01:53,873 INFO L899 garLoopResultBuilder]: For program point L242-1(line 242) no Hoare annotation was computed. [2023-04-03 01:01:53,873 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 237 247) no Hoare annotation was computed. [2023-04-03 01:01:53,874 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 237 247) no Hoare annotation was computed. [2023-04-03 01:01:53,874 INFO L899 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2023-04-03 01:01:53,874 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2023-04-03 01:01:53,874 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 229 236) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) .cse1))) [2023-04-03 01:01:53,874 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 908 953) no Hoare annotation was computed. [2023-04-03 01:01:53,874 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 908 953) no Hoare annotation was computed. [2023-04-03 01:01:53,875 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 497 506) no Hoare annotation was computed. [2023-04-03 01:01:53,875 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 497 506) no Hoare annotation was computed. [2023-04-03 01:01:53,875 INFO L899 garLoopResultBuilder]: For program point L855(lines 854 874) no Hoare annotation was computed. [2023-04-03 01:01:53,875 INFO L899 garLoopResultBuilder]: For program point L886(line 886) no Hoare annotation was computed. [2023-04-03 01:01:53,875 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 892) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 805 907) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 805 907) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point L854-2(lines 854 874) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 805 907) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point L875(lines 853 876) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 850) no Hoare annotation was computed. [2023-04-03 01:01:53,876 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 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:53,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 569) the Hoare annotation is: true [2023-04-03 01:01:53,876 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2023-04-03 01:01:53,877 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:53,877 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:01:53,877 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 410 416) no Hoare annotation was computed. [2023-04-03 01:01:53,877 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 410 416) the Hoare annotation is: true [2023-04-03 01:01:53,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:53,877 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2023-04-03 01:01:53,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:01:53,878 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:01:53,881 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:53,883 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:01:53,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:01:53 BoogieIcfgContainer [2023-04-03 01:01:53,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:01:53,912 INFO L158 Benchmark]: Toolchain (without parser) took 48580.42ms. Allocated memory was 181.4MB in the beginning and 1.0GB in the end (delta: 866.1MB). Free memory was 120.9MB in the beginning and 518.4MB in the end (delta: -397.5MB). Peak memory consumption was 620.7MB. Max. memory is 8.0GB. [2023-04-03 01:01:53,912 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:01:53,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.98ms. Allocated memory is still 181.4MB. Free memory was 120.6MB in the beginning and 101.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:01:53,913 INFO L158 Benchmark]: Boogie Preprocessor took 112.96ms. Allocated memory is still 181.4MB. Free memory was 101.8MB in the beginning and 98.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:01:53,913 INFO L158 Benchmark]: RCFGBuilder took 959.43ms. Allocated memory was 181.4MB in the beginning and 242.2MB in the end (delta: 60.8MB). Free memory was 98.0MB in the beginning and 151.4MB in the end (delta: -53.3MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2023-04-03 01:01:53,913 INFO L158 Benchmark]: TraceAbstraction took 47075.56ms. Allocated memory was 242.2MB in the beginning and 1.0GB in the end (delta: 805.3MB). Free memory was 150.8MB in the beginning and 518.4MB in the end (delta: -367.6MB). Peak memory consumption was 588.2MB. Max. memory is 8.0GB. [2023-04-03 01:01:53,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 426.98ms. Allocated memory is still 181.4MB. Free memory was 120.6MB in the beginning and 101.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 112.96ms. Allocated memory is still 181.4MB. Free memory was 101.8MB in the beginning and 98.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 959.43ms. Allocated memory was 181.4MB in the beginning and 242.2MB in the end (delta: 60.8MB). Free memory was 98.0MB in the beginning and 151.4MB in the end (delta: -53.3MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * TraceAbstraction took 47075.56ms. Allocated memory was 242.2MB in the beginning and 1.0GB in the end (delta: 805.3MB). Free memory was 150.8MB in the beginning and 518.4MB in the end (delta: -367.6MB). Peak memory consumption was 588.2MB. 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: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2492 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2441 mSDsluCounter, 4230 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3078 mSDsCounter, 1556 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8515 IncrementalHoareTripleChecker+Invalid, 10071 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1556 mSolverCounterUnsat, 1152 mSDtfsCounter, 8515 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1506 GetRequests, 1152 SyntacticMatches, 57 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14300 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3201occurred in iteration=9, InterpolantAutomatonStates: 110, 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, 11 MinimizatonAttempts, 1278 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4876 PreInvPairs, 5041 NumberOfFragments, 2781 HoareAnnotationTreeSize, 4876 FomulaSimplifications, 29054 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 20207 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1685 NumberOfCodeBlocks, 1685 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2018 ConstructedInterpolants, 0 QuantifiedInterpolants, 4713 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2289 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 763/882 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: 65]: Loop Invariant Derived loop invariant: ((((1 < \old(waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || \old(waterLevel) < 1) || !(\old(systemActive) == 1) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((1 < \old(waterLevel) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && waterLevel <= 2) && \old(waterLevel) <= waterLevel) && 0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || \old(waterLevel) < 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || !(\old(systemActive) == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 1 == systemActive) && 1 <= waterLevel) && waterLevel <= \old(waterLevel)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:01:53,936 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...