/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:10:41,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:10:41,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:10:41,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:10:41,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:10:41,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:10:41,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:10:41,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:10:41,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:10:41,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:10:41,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:10:41,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:10:41,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:10:41,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:10:41,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:10:41,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:10:41,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:10:41,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:10:41,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:10:41,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:10:41,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:10:41,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:10:41,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:10:41,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:10:41,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:10:41,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:10:41,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:10:41,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:10:41,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:10:41,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:10:41,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:10:41,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:10:41,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:10:41,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:10:41,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:10:41,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:10:41,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:10:41,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:10:41,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:10:41,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:10:41,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:10:41,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:10:41,762 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:10:41,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:10:41,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:10:41,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:10:41,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:10:41,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:10:41,764 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:10:41,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:10:41,764 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:10:41,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:10:41,765 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:10:41,765 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:10:41,765 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:10:41,765 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:10:41,765 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:10:41,765 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:10:41,765 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:10:41,765 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:10:41,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:10:41,766 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:10:41,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:10:41,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:10:41,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:10:41,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:10:41,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:10:41,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:10:41,767 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:10:41,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:10:41,767 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:10:41,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:10:41,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:10:41,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:10:41,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:41,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:10:41,768 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:10:41,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:10:41,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:10:41,768 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:10:41,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:10:41,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:10:41,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:10:41,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:10:41,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:10:41,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:10:41,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:10:41,992 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:10:41,993 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:10:41,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2023-04-03 01:10:43,039 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:10:43,273 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:10:43,273 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2023-04-03 01:10:43,281 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61a6d87f/023216b6e94142e4a627089a64ead366/FLAG31deb4966 [2023-04-03 01:10:43,292 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61a6d87f/023216b6e94142e4a627089a64ead366 [2023-04-03 01:10:43,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:10:43,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:10:43,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:43,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:10:43,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:10:43,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7e6359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43, skipping insertion in model container [2023-04-03 01:10:43,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:10:43,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:10:43,542 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c[19180,19193] [2023-04-03 01:10:43,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:43,554 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:10:43,613 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c[19180,19193] [2023-04-03 01:10:43,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:43,630 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:10:43,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43 WrapperNode [2023-04-03 01:10:43,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:43,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:10:43,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:10:43,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:10:43,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:10:43,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:10:43,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:10:43,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:10:43,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (1/1) ... [2023-04-03 01:10:43,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:43,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:43,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:10:43,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:10:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:10:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:10:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:10:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:10:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:10:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:10:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:10:43,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:10:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:10:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:10:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:10:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:10:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:10:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:10:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:10:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:10:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:10:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:10:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:10:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:10:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:10:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:10:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:10:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:10:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:10:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:10:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:10:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:10:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:10:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:10:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:10:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:10:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:10:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:10:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:10:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:10:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:10:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:10:43,957 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:10:43,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:10:44,401 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:10:44,519 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:10:44,519 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:10:44,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:44 BoogieIcfgContainer [2023-04-03 01:10:44,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:10:44,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:10:44,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:10:44,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:10:44,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:10:43" (1/3) ... [2023-04-03 01:10:44,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f20e9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:44, skipping insertion in model container [2023-04-03 01:10:44,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:43" (2/3) ... [2023-04-03 01:10:44,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f20e9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:44, skipping insertion in model container [2023-04-03 01:10:44,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:44" (3/3) ... [2023-04-03 01:10:44,532 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2023-04-03 01:10:44,545 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:10:44,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:10:44,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:10:44,598 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;@1d7a2e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:10:44,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:10:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 80 states have (on average 1.2625) internal successors, (101), 96 states have internal predecessors, (101), 56 states have call successors, (56), 35 states have call predecessors, (56), 35 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2023-04-03 01:10:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:10:44,612 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:44,613 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:44,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:44,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:44,618 INFO L85 PathProgramCache]: Analyzing trace with hash -893228371, now seen corresponding path program 1 times [2023-04-03 01:10:44,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:44,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959977265] [2023-04-03 01:10:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:44,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:44,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:44,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959977265] [2023-04-03 01:10:44,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959977265] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:44,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:44,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:10:44,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980617509] [2023-04-03 01:10:44,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:44,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:10:44,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:44,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:10:44,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:44,835 INFO L87 Difference]: Start difference. First operand has 174 states, 80 states have (on average 1.2625) internal successors, (101), 96 states have internal predecessors, (101), 56 states have call successors, (56), 35 states have call predecessors, (56), 35 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:44,913 INFO L93 Difference]: Finished difference Result 278 states and 337 transitions. [2023-04-03 01:10:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:10:44,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:10:44,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:44,924 INFO L225 Difference]: With dead ends: 278 [2023-04-03 01:10:44,925 INFO L226 Difference]: Without dead ends: 141 [2023-04-03 01:10:44,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:44,932 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:44,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:44,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-04-03 01:10:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-04-03 01:10:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 84 states have internal predecessors, (87), 41 states have call successors, (41), 33 states have call predecessors, (41), 28 states have return successors, (36), 30 states have call predecessors, (36), 36 states have call successors, (36) [2023-04-03 01:10:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2023-04-03 01:10:44,961 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 52 [2023-04-03 01:10:44,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:44,962 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2023-04-03 01:10:44,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2023-04-03 01:10:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:10:44,964 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:44,964 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:44,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:10:44,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:44,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:44,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1547394919, now seen corresponding path program 1 times [2023-04-03 01:10:44,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:44,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221112319] [2023-04-03 01:10:44,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:44,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:45,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:45,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221112319] [2023-04-03 01:10:45,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221112319] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:45,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:45,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:10:45,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177848738] [2023-04-03 01:10:45,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:45,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:10:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:45,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:10:45,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:45,056 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:45,123 INFO L93 Difference]: Finished difference Result 232 states and 271 transitions. [2023-04-03 01:10:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:10:45,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:10:45,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:45,125 INFO L225 Difference]: With dead ends: 232 [2023-04-03 01:10:45,125 INFO L226 Difference]: Without dead ends: 133 [2023-04-03 01:10:45,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:45,126 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 9 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:45,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 253 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-04-03 01:10:45,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-04-03 01:10:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 79 states have internal predecessors, (81), 38 states have call successors, (38), 32 states have call predecessors, (38), 28 states have return successors, (34), 28 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-03 01:10:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2023-04-03 01:10:45,135 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 53 [2023-04-03 01:10:45,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:45,135 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2023-04-03 01:10:45,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2023-04-03 01:10:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-03 01:10:45,137 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:45,137 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:45,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:10:45,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:45,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:45,137 INFO L85 PathProgramCache]: Analyzing trace with hash -319039467, now seen corresponding path program 1 times [2023-04-03 01:10:45,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:45,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021218530] [2023-04-03 01:10:45,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:45,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:45,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:45,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021218530] [2023-04-03 01:10:45,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021218530] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:45,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:45,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372207762] [2023-04-03 01:10:45,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:45,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:45,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:45,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:45,321 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:45,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:45,531 INFO L93 Difference]: Finished difference Result 241 states and 282 transitions. [2023-04-03 01:10:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:10:45,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-03 01:10:45,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:45,537 INFO L225 Difference]: With dead ends: 241 [2023-04-03 01:10:45,537 INFO L226 Difference]: Without dead ends: 133 [2023-04-03 01:10:45,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:10:45,545 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 209 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:45,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 371 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:45,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-04-03 01:10:45,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-04-03 01:10:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 78 states have internal predecessors, (80), 38 states have call successors, (38), 32 states have call predecessors, (38), 28 states have return successors, (34), 28 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-03 01:10:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 152 transitions. [2023-04-03 01:10:45,558 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 152 transitions. Word has length 56 [2023-04-03 01:10:45,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:45,559 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 152 transitions. [2023-04-03 01:10:45,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 152 transitions. [2023-04-03 01:10:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-03 01:10:45,564 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:45,565 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:45,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:10:45,565 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:45,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:45,565 INFO L85 PathProgramCache]: Analyzing trace with hash 21358604, now seen corresponding path program 1 times [2023-04-03 01:10:45,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:45,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582690456] [2023-04-03 01:10:45,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:45,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:45,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:45,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582690456] [2023-04-03 01:10:45,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582690456] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:45,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:45,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:10:45,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685068095] [2023-04-03 01:10:45,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:45,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:10:45,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:45,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:10:45,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:10:45,736 INFO L87 Difference]: Start difference. First operand 133 states and 152 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 01:10:46,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:46,040 INFO L93 Difference]: Finished difference Result 351 states and 417 transitions. [2023-04-03 01:10:46,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:10:46,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 73 [2023-04-03 01:10:46,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:46,042 INFO L225 Difference]: With dead ends: 351 [2023-04-03 01:10:46,042 INFO L226 Difference]: Without dead ends: 243 [2023-04-03 01:10:46,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:10:46,043 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 199 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:46,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 177 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:46,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-04-03 01:10:46,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 226. [2023-04-03 01:10:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 119 states have (on average 1.1680672268907564) internal successors, (139), 130 states have internal predecessors, (139), 53 states have call successors, (53), 49 states have call predecessors, (53), 53 states have return successors, (59), 53 states have call predecessors, (59), 49 states have call successors, (59) [2023-04-03 01:10:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 251 transitions. [2023-04-03 01:10:46,062 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 251 transitions. Word has length 73 [2023-04-03 01:10:46,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:46,062 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 251 transitions. [2023-04-03 01:10:46,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 01:10:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 251 transitions. [2023-04-03 01:10:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-04-03 01:10:46,063 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:46,063 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:46,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:10:46,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:46,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:46,064 INFO L85 PathProgramCache]: Analyzing trace with hash 680846452, now seen corresponding path program 1 times [2023-04-03 01:10:46,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:46,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458586239] [2023-04-03 01:10:46,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:46,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:10:46,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:46,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458586239] [2023-04-03 01:10:46,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458586239] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:46,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:46,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:46,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802923068] [2023-04-03 01:10:46,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:46,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:46,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:46,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:46,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:46,214 INFO L87 Difference]: Start difference. First operand 226 states and 251 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:10:46,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:46,568 INFO L93 Difference]: Finished difference Result 443 states and 507 transitions. [2023-04-03 01:10:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:10:46,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 83 [2023-04-03 01:10:46,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:46,571 INFO L225 Difference]: With dead ends: 443 [2023-04-03 01:10:46,572 INFO L226 Difference]: Without dead ends: 242 [2023-04-03 01:10:46,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:10:46,574 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 148 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:46,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 310 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-04-03 01:10:46,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 225. [2023-04-03 01:10:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 118 states have (on average 1.152542372881356) internal successors, (136), 129 states have internal predecessors, (136), 53 states have call successors, (53), 49 states have call predecessors, (53), 53 states have return successors, (59), 53 states have call predecessors, (59), 49 states have call successors, (59) [2023-04-03 01:10:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 248 transitions. [2023-04-03 01:10:46,598 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 248 transitions. Word has length 83 [2023-04-03 01:10:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:46,599 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 248 transitions. [2023-04-03 01:10:46,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:10:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 248 transitions. [2023-04-03 01:10:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-04-03 01:10:46,600 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:46,600 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:46,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:10:46,601 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:46,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:46,601 INFO L85 PathProgramCache]: Analyzing trace with hash 860148278, now seen corresponding path program 1 times [2023-04-03 01:10:46,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:46,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416041411] [2023-04-03 01:10:46,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:46,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:46,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:46,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416041411] [2023-04-03 01:10:46,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416041411] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:46,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:46,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:10:46,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009143662] [2023-04-03 01:10:46,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:46,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:10:46,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:46,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:10:46,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:10:46,900 INFO L87 Difference]: Start difference. First operand 225 states and 248 transitions. Second operand has 12 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:47,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:47,325 INFO L93 Difference]: Finished difference Result 585 states and 669 transitions. [2023-04-03 01:10:47,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:10:47,325 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) Word has length 96 [2023-04-03 01:10:47,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:47,327 INFO L225 Difference]: With dead ends: 585 [2023-04-03 01:10:47,327 INFO L226 Difference]: Without dead ends: 385 [2023-04-03 01:10:47,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:10:47,329 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 257 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:47,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 942 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:47,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2023-04-03 01:10:47,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 378. [2023-04-03 01:10:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 204 states have (on average 1.1519607843137254) internal successors, (235), 222 states have internal predecessors, (235), 88 states have call successors, (88), 82 states have call predecessors, (88), 85 states have return successors, (106), 88 states have call predecessors, (106), 84 states have call successors, (106) [2023-04-03 01:10:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 429 transitions. [2023-04-03 01:10:47,356 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 429 transitions. Word has length 96 [2023-04-03 01:10:47,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:47,356 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 429 transitions. [2023-04-03 01:10:47,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 429 transitions. [2023-04-03 01:10:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-04-03 01:10:47,359 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:47,359 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:47,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:10:47,359 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:47,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash 794496642, now seen corresponding path program 1 times [2023-04-03 01:10:47,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:47,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601435054] [2023-04-03 01:10:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:47,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:47,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:47,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601435054] [2023-04-03 01:10:47,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601435054] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:47,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:47,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:10:47,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038449480] [2023-04-03 01:10:47,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:47,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:10:47,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:47,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:10:47,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:47,678 INFO L87 Difference]: Start difference. First operand 378 states and 429 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 01:10:48,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:48,433 INFO L93 Difference]: Finished difference Result 1182 states and 1378 transitions. [2023-04-03 01:10:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:48,433 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 99 [2023-04-03 01:10:48,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:48,436 INFO L225 Difference]: With dead ends: 1182 [2023-04-03 01:10:48,437 INFO L226 Difference]: Without dead ends: 892 [2023-04-03 01:10:48,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:10:48,438 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 330 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:48,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 282 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:10:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2023-04-03 01:10:48,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 775. [2023-04-03 01:10:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 423 states have (on average 1.1583924349881796) internal successors, (490), 459 states have internal predecessors, (490), 174 states have call successors, (174), 163 states have call predecessors, (174), 177 states have return successors, (222), 181 states have call predecessors, (222), 170 states have call successors, (222) [2023-04-03 01:10:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 886 transitions. [2023-04-03 01:10:48,490 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 886 transitions. Word has length 99 [2023-04-03 01:10:48,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:48,490 INFO L495 AbstractCegarLoop]: Abstraction has 775 states and 886 transitions. [2023-04-03 01:10:48,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 01:10:48,490 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 886 transitions. [2023-04-03 01:10:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-03 01:10:48,491 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:48,492 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:48,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:10:48,492 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:48,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:48,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1637810653, now seen corresponding path program 1 times [2023-04-03 01:10:48,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:48,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552716855] [2023-04-03 01:10:48,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:48,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:10:48,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:48,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552716855] [2023-04-03 01:10:48,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552716855] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:48,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818597166] [2023-04-03 01:10:48,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:48,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:48,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:48,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:48,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:10:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:48,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:10:48,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:49,048 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:10:49,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-03 01:10:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818597166] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:49,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1376974831] [2023-04-03 01:10:49,529 INFO L159 IcfgInterpreter]: Started Sifa with 122 locations of interest [2023-04-03 01:10:49,529 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:49,533 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:49,536 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:49,537 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:49,706 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:49,738 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:49,920 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:49,967 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:52,769 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 52 for LOIs [2023-04-03 01:10:52,775 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2023-04-03 01:10:53,054 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:53,057 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 54 for LOIs [2023-04-03 01:10:53,548 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 52 for LOIs [2023-04-03 01:10:53,749 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 40 for LOIs [2023-04-03 01:10:53,964 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:54,028 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:54,031 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:54,084 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 45 for LOIs [2023-04-03 01:10:54,105 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 45 for LOIs [2023-04-03 01:10:54,109 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:54,110 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-03 01:10:54,112 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 35 for LOIs [2023-04-03 01:10:54,181 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 35 for LOIs [2023-04-03 01:10:54,185 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:54,187 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:54,189 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:10:54,294 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:10:54,297 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:10:54,298 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 23 for LOIs [2023-04-03 01:10:54,315 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-03 01:10:54,317 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:54,319 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:54,320 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:54,322 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:59,941 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8966#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:59,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:59,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:59,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-03 01:10:59,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722880816] [2023-04-03 01:10:59,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:59,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-03 01:10:59,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:59,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-03 01:10:59,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=602, Invalid=6538, Unknown=0, NotChecked=0, Total=7140 [2023-04-03 01:10:59,945 INFO L87 Difference]: Start difference. First operand 775 states and 886 transitions. Second operand has 19 states, 12 states have (on average 11.583333333333334) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) [2023-04-03 01:11:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:00,869 INFO L93 Difference]: Finished difference Result 1669 states and 1951 transitions. [2023-04-03 01:11:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-03 01:11:00,869 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 11.583333333333334) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) Word has length 165 [2023-04-03 01:11:00,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:00,884 INFO L225 Difference]: With dead ends: 1669 [2023-04-03 01:11:00,884 INFO L226 Difference]: Without dead ends: 982 [2023-04-03 01:11:00,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 399 SyntacticMatches, 28 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5273 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=768, Invalid=9534, Unknown=0, NotChecked=0, Total=10302 [2023-04-03 01:11:00,905 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 429 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:00,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 1997 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:11:00,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2023-04-03 01:11:00,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 881. [2023-04-03 01:11:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 482 states have (on average 1.1556016597510372) internal successors, (557), 532 states have internal predecessors, (557), 200 states have call successors, (200), 189 states have call predecessors, (200), 198 states have return successors, (249), 197 states have call predecessors, (249), 196 states have call successors, (249) [2023-04-03 01:11:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1006 transitions. [2023-04-03 01:11:00,969 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1006 transitions. Word has length 165 [2023-04-03 01:11:00,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:00,970 INFO L495 AbstractCegarLoop]: Abstraction has 881 states and 1006 transitions. [2023-04-03 01:11:00,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 11.583333333333334) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (61), 6 states have call predecessors, (61), 11 states have return successors, (62), 10 states have call predecessors, (62), 6 states have call successors, (62) [2023-04-03 01:11:00,971 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1006 transitions. [2023-04-03 01:11:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-03 01:11:00,974 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:11:00,974 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:00,982 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 01:11:01,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:01,181 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:11:01,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:11:01,181 INFO L85 PathProgramCache]: Analyzing trace with hash -561687413, now seen corresponding path program 1 times [2023-04-03 01:11:01,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:11:01,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928268278] [2023-04-03 01:11:01,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:01,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:11:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-03 01:11:01,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:11:01,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928268278] [2023-04-03 01:11:01,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928268278] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:11:01,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893960355] [2023-04-03 01:11:01,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:01,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:01,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:11:01,398 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 01:11:01,401 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 01:11:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:01,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:11:01,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:11:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-03 01:11:01,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:11:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-04-03 01:11:01,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893960355] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:11:01,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [570033163] [2023-04-03 01:11:01,961 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2023-04-03 01:11:01,961 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:11:01,962 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:11:01,962 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:11:01,962 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:11:02,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:11:02,061 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:11:02,137 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:11:02,162 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:11:04,950 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 74 for LOIs [2023-04-03 01:11:04,958 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:11:05,106 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 36 for LOIs [2023-04-03 01:11:05,111 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 33 for LOIs [2023-04-03 01:11:05,149 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2023-04-03 01:11:05,166 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:05,264 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:11:05,328 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:11:05,331 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:11:05,378 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-04-03 01:11:05,455 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-04-03 01:11:05,460 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:05,462 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:05,463 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:05,465 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 32 for LOIs [2023-04-03 01:11:05,612 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:11:05,615 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 32 for LOIs [2023-04-03 01:11:05,617 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:11:05,635 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:11:05,636 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:05,638 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:05,640 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:05,641 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:11,793 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13994#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:11:11,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:11,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:11,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-04-03 01:11:11,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625579636] [2023-04-03 01:11:11,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:11,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-03 01:11:11,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:11,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-03 01:11:11,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=6144, Unknown=0, NotChecked=0, Total=6642 [2023-04-03 01:11:11,796 INFO L87 Difference]: Start difference. First operand 881 states and 1006 transitions. Second operand has 22 states, 16 states have (on average 8.75) internal successors, (140), 16 states have internal predecessors, (140), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) [2023-04-03 01:11:13,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:13,471 INFO L93 Difference]: Finished difference Result 3436 states and 4134 transitions. [2023-04-03 01:11:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-03 01:11:13,472 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 16 states have (on average 8.75) internal successors, (140), 16 states have internal predecessors, (140), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) Word has length 213 [2023-04-03 01:11:13,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:13,482 INFO L225 Difference]: With dead ends: 3436 [2023-04-03 01:11:13,482 INFO L226 Difference]: Without dead ends: 2598 [2023-04-03 01:11:13,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 560 SyntacticMatches, 19 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6020 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=827, Invalid=14425, Unknown=0, NotChecked=0, Total=15252 [2023-04-03 01:11:13,491 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 319 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 2921 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 3046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:13,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 3075 Invalid, 3046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2921 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 01:11:13,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2023-04-03 01:11:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2149. [2023-04-03 01:11:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 1188 states have (on average 1.1237373737373737) internal successors, (1335), 1287 states have internal predecessors, (1335), 480 states have call successors, (480), 464 states have call predecessors, (480), 480 states have return successors, (600), 475 states have call predecessors, (600), 476 states have call successors, (600) [2023-04-03 01:11:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2415 transitions. [2023-04-03 01:11:13,650 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2415 transitions. Word has length 213 [2023-04-03 01:11:13,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:13,652 INFO L495 AbstractCegarLoop]: Abstraction has 2149 states and 2415 transitions. [2023-04-03 01:11:13,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 16 states have (on average 8.75) internal successors, (140), 16 states have internal predecessors, (140), 5 states have call successors, (57), 3 states have call predecessors, (57), 11 states have return successors, (62), 11 states have call predecessors, (62), 5 states have call successors, (62) [2023-04-03 01:11:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2415 transitions. [2023-04-03 01:11:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-03 01:11:13,655 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:11:13,655 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:11:13,685 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 01:11:13,861 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,SelfDestructingSolverStorable8 [2023-04-03 01:11:13,862 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:11:13,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:11:13,862 INFO L85 PathProgramCache]: Analyzing trace with hash -609891353, now seen corresponding path program 1 times [2023-04-03 01:11:13,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:11:13,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858543980] [2023-04-03 01:11:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:13,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:11:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 52 proven. 21 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-03 01:11:14,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:11:14,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858543980] [2023-04-03 01:11:14,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858543980] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:11:14,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633816769] [2023-04-03 01:11:14,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:14,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:11:14,377 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 01:11:14,379 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 01:11:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:14,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-03 01:11:14,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:11:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 111 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-03 01:11:14,816 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:11:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 65 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-03 01:11:16,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633816769] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:11:16,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [925218789] [2023-04-03 01:11:16,386 INFO L159 IcfgInterpreter]: Started Sifa with 114 locations of interest [2023-04-03 01:11:16,387 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:11:16,387 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:11:16,387 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:11:16,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:11:16,514 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:11:16,537 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:11:16,607 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:11:16,635 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:11:22,881 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 98 for LOIs [2023-04-03 01:11:22,893 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 40 for LOIs [2023-04-03 01:11:23,141 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 41 for LOIs [2023-04-03 01:11:23,145 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 45 for LOIs [2023-04-03 01:11:23,257 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 30 for LOIs [2023-04-03 01:11:23,279 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 30 for LOIs [2023-04-03 01:11:23,373 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-04-03 01:11:23,433 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-04-03 01:11:23,436 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 40 for LOIs [2023-04-03 01:11:23,470 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 48 for LOIs [2023-04-03 01:11:23,558 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 48 for LOIs [2023-04-03 01:11:23,565 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:23,566 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 47 for LOIs [2023-04-03 01:11:23,569 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 67 for LOIs [2023-04-03 01:11:23,576 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:23,577 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:23,578 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 52 for LOIs [2023-04-03 01:11:23,795 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 69 for LOIs [2023-04-03 01:11:23,799 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 52 for LOIs [2023-04-03 01:11:23,802 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 35 for LOIs [2023-04-03 01:11:23,823 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 32 for LOIs [2023-04-03 01:11:23,825 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:23,826 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:23,828 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:23,830 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:33,104 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '23481#(and (not (= ~pumpRunning~0 0)) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 |#StackHeapBarrier|) (<= 0 (+ ~waterLevel~0 ~methaneLevelCritical~0 2147483648)) (<= (+ ~pumpRunning~0 ~methaneLevelCritical~0) 2) (= ~switchedOnBeforeTS~0 0) (<= ~methaneLevelCritical~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:11:33,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:33,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:33,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-04-03 01:11:33,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381922229] [2023-04-03 01:11:33,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:33,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-03 01:11:33,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:33,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-03 01:11:33,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=10037, Unknown=0, NotChecked=0, Total=10712 [2023-04-03 01:11:33,115 INFO L87 Difference]: Start difference. First operand 2149 states and 2415 transitions. Second operand has 36 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 12 states have call successors, (66), 7 states have call predecessors, (66), 19 states have return successors, (72), 21 states have call predecessors, (72), 12 states have call successors, (72) [2023-04-03 01:11:34,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:34,857 INFO L93 Difference]: Finished difference Result 4055 states and 4703 transitions. [2023-04-03 01:11:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-03 01:11:34,858 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 12 states have call successors, (66), 7 states have call predecessors, (66), 19 states have return successors, (72), 21 states have call predecessors, (72), 12 states have call successors, (72) Word has length 224 [2023-04-03 01:11:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:34,861 INFO L225 Difference]: With dead ends: 4055 [2023-04-03 01:11:34,861 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:11:34,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 745 GetRequests, 581 SyntacticMatches, 25 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9173 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1265, Invalid=18475, Unknown=0, NotChecked=0, Total=19740 [2023-04-03 01:11:34,873 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 842 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 3243 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 4053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 3243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:34,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 739 Invalid, 4053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 3243 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 01:11:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:11:34,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:11:34,874 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 01:11:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:11:34,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2023-04-03 01:11:34,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:34,875 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:11:34,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 12 states have call successors, (66), 7 states have call predecessors, (66), 19 states have return successors, (72), 21 states have call predecessors, (72), 12 states have call successors, (72) [2023-04-03 01:11:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:11:34,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:11:34,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:11:34,900 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 01:11:35,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:35,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:11:44,715 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:11:44,715 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:11:44,715 INFO L899 garLoopResultBuilder]: For program point L512-2(lines 512 533) no Hoare annotation was computed. [2023-04-03 01:11:44,715 INFO L899 garLoopResultBuilder]: For program point L534(lines 511 535) no Hoare annotation was computed. [2023-04-03 01:11:44,715 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 487 542) no Hoare annotation was computed. [2023-04-03 01:11:44,715 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 487 542) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point L575(lines 575 579) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point L569-2(lines 569 594) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 543 602) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point L595(lines 568 596) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 543 602) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 543 602) no Hoare annotation was computed. [2023-04-03 01:11:44,716 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 1038 1046) no Hoare annotation was computed. [2023-04-03 01:11:44,717 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1038 1046) the Hoare annotation is: true [2023-04-03 01:11:44,717 INFO L895 garLoopResultBuilder]: At program point L992(line 992) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~11 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:44,717 INFO L895 garLoopResultBuilder]: At program point L992-1(line 992) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~11 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:44,722 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2023-04-03 01:11:44,722 INFO L899 garLoopResultBuilder]: For program point L990-1(lines 990 997) no Hoare annotation was computed. [2023-04-03 01:11:44,722 INFO L899 garLoopResultBuilder]: For program point L988(line 988) no Hoare annotation was computed. [2023-04-03 01:11:44,722 INFO L895 garLoopResultBuilder]: At program point L987(line 987) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:44,723 INFO L895 garLoopResultBuilder]: At program point L986(line 986) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:44,727 INFO L895 garLoopResultBuilder]: At program point L986-1(line 986) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:44,727 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 980 1002) no Hoare annotation was computed. [2023-04-03 01:11:44,727 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 980 1002) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:44,727 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 935 958) no Hoare annotation was computed. [2023-04-03 01:11:44,727 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 935 958) no Hoare annotation was computed. [2023-04-03 01:11:44,727 INFO L899 garLoopResultBuilder]: For program point L953(line 953) no Hoare annotation was computed. [2023-04-03 01:11:44,727 INFO L899 garLoopResultBuilder]: For program point L952(line 952) no Hoare annotation was computed. [2023-04-03 01:11:44,727 INFO L899 garLoopResultBuilder]: For program point L951(line 951) no Hoare annotation was computed. [2023-04-03 01:11:44,728 INFO L899 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2023-04-03 01:11:44,728 INFO L899 garLoopResultBuilder]: For program point L949(line 949) no Hoare annotation was computed. [2023-04-03 01:11:44,728 INFO L899 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2023-04-03 01:11:44,728 INFO L899 garLoopResultBuilder]: For program point L947(line 947) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point L946(line 946) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point L943(line 943) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point L941(line 941) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-04-03 01:11:44,729 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 935 958) no Hoare annotation was computed. [2023-04-03 01:11:44,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 286 304) the Hoare annotation is: true [2023-04-03 01:11:44,730 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 286 304) no Hoare annotation was computed. [2023-04-03 01:11:44,730 INFO L902 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: true [2023-04-03 01:11:44,730 INFO L899 garLoopResultBuilder]: For program point L293-1(line 293) no Hoare annotation was computed. [2023-04-03 01:11:44,730 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 1024 1030) no Hoare annotation was computed. [2023-04-03 01:11:44,730 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 1024 1030) the Hoare annotation is: true [2023-04-03 01:11:44,730 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 754 799) no Hoare annotation was computed. [2023-04-03 01:11:44,730 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 754 799) no Hoare annotation was computed. [2023-04-03 01:11:44,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 880 893) the Hoare annotation is: true [2023-04-03 01:11:44,730 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 880 893) no Hoare annotation was computed. [2023-04-03 01:11:44,731 INFO L899 garLoopResultBuilder]: For program point L161(lines 161 169) no Hoare annotation was computed. [2023-04-03 01:11:44,731 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:44,731 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2023-04-03 01:11:44,731 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 174) no Hoare annotation was computed. [2023-04-03 01:11:44,731 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 153 177) no Hoare annotation was computed. [2023-04-03 01:11:44,731 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:11:44,731 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 153 177) no Hoare annotation was computed. [2023-04-03 01:11:44,731 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 153 177) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:44,731 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 1)) .cse3) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse0 .cse1 .cse3))) [2023-04-03 01:11:44,733 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3))) [2023-04-03 01:11:44,733 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2023-04-03 01:11:44,733 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2023-04-03 01:11:44,733 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2023-04-03 01:11:44,733 INFO L895 garLoopResultBuilder]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:44,733 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 368 433) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:44,733 INFO L895 garLoopResultBuilder]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse3 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse2))) [2023-04-03 01:11:44,733 INFO L899 garLoopResultBuilder]: For program point L379(lines 378 425) no Hoare annotation was computed. [2023-04-03 01:11:44,734 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse3 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse2))) [2023-04-03 01:11:44,734 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2023-04-03 01:11:44,734 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse1 .cse3 .cse4 .cse2 (= ~switchedOnBeforeTS~0 1) .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse3 .cse2 .cse5) (and .cse0 .cse1 .cse4 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2 (= ~waterLevel~0 1)))) [2023-04-03 01:11:44,734 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2023-04-03 01:11:44,734 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2023-04-03 01:11:44,734 INFO L895 garLoopResultBuilder]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse2 .cse3 .cse5 .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse6 .cse7 .cse3 (= ~switchedOnBeforeTS~0 1) .cse8) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 .cse3 .cse8) (and .cse0 .cse2 .cse7 .cse3 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse0 .cse2 .cse6 .cse3 .cse5))) [2023-04-03 01:11:44,734 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse3 .cse4 .cse2 (= ~switchedOnBeforeTS~0 1) .cse5) (and .cse1 .cse3 .cse2 .cse6 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse3 .cse2 .cse5) (and .cse0 .cse1 .cse4 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse7 .cse1 .cse2))) [2023-04-03 01:11:44,734 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2023-04-03 01:11:44,734 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2023-04-03 01:11:44,734 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2023-04-03 01:11:44,734 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 178 185) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:44,734 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 178 185) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 894 902) the Hoare annotation is: true [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 894 902) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 848 870) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 848 870) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 199) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 186 202) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 186 202) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:44,735 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~3 0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 186 202) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2023-04-03 01:11:44,735 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 267 285) no Hoare annotation was computed. [2023-04-03 01:11:44,736 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 267 285) the Hoare annotation is: true [2023-04-03 01:11:44,736 INFO L902 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2023-04-03 01:11:44,736 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 871 879) the Hoare annotation is: true [2023-04-03 01:11:44,736 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 871 879) no Hoare annotation was computed. [2023-04-03 01:11:44,736 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 839 847) the Hoare annotation is: true [2023-04-03 01:11:44,736 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 839 847) no Hoare annotation was computed. [2023-04-03 01:11:44,736 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 0)) (.cse10 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not .cse10)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (and .cse2 (<= ~waterLevel~0 1) .cse10 .cse9 .cse3))) (and (or .cse0 .cse1 (and .cse2 (= 2 ~waterLevel~0) .cse3) .cse4) (or .cse0 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse5 .cse6 .cse0 .cse1 .cse7) (or (let ((.cse8 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse1 .cse8 .cse4) (or .cse6 .cse1 .cse8))) (and (= ~switchedOnBeforeTS~0 1) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse9)) (= ~pumpRunning~0 1)) (< 2 |old(~waterLevel~0)|)) (or .cse5 .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse7)))) [2023-04-03 01:11:44,736 INFO L895 garLoopResultBuilder]: At program point L80(lines 80 86) the Hoare annotation is: (let ((.cse20 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse19 (= |old(~pumpRunning~0)| 0)) (.cse12 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse20))) (.cse2 (= ~waterLevel~0 1)) (.cse21 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse9 (= 2 ~waterLevel~0)) (.cse15 (= ~switchedOnBeforeTS~0 0)) (.cse16 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~systemActive~0))) (.cse18 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse13 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (let ((.cse22 (not .cse13))) (and (or .cse16 .cse7 .cse22 .cse18) (or .cse7 .cse22 .cse18 .cse4)))) (.cse1 (= ~switchedOnBeforeTS~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse8 (and .cse14 .cse9 .cse15)) (.cse5 (and .cse14 .cse2 .cse21)) (.cse11 (and .cse14 .cse12 .cse21)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse6 (not .cse19)) (.cse17 (and .cse14 (<= ~waterLevel~0 1) .cse19 .cse20 .cse15))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4 (and .cse9 .cse3)) (or .cse10 .cse0 .cse11 (and .cse1 .cse12 .cse3)) (or .cse6 .cse13 .cse7 .cse8 .cse4) (or .cse6 (and .cse14 .cse2 .cse15) (not (= |old(~waterLevel~0)| 1)) .cse7) (or .cse10 .cse16 .cse6 .cse7 .cse17) (or .cse13 .cse7 .cse18 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|) .cse5) (or .cse10 .cse16 .cse13 .cse7 .cse18 .cse11) (or .cse10 .cse6 (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse17))))) [2023-04-03 01:11:44,737 INFO L895 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (let ((.cse3 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse1 (< |old(~waterLevel~0)| 2) .cse3) (or .cse4 .cse1 .cse3))) (and (= ~switchedOnBeforeTS~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) .cse2) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse0 .cse1))) [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 92) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~pumpRunning~0 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 (and (= ~switchedOnBeforeTS~0 1) .cse6 .cse7) .cse2 .cse8) (or .cse2 .cse8 (<= |old(~waterLevel~0)| 1) .cse9 (and .cse10 .cse7)) (or .cse5 .cse0 .cse1 .cse2 (and .cse11 .cse6 .cse4)) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse11 (= ~waterLevel~0 1))) (or .cse1 .cse2 (and .cse11 .cse10) .cse3) (or .cse1 .cse12 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse9) (or .cse5 .cse1 (and .cse11 .cse6) .cse12 .cse2))) [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point L73(lines 69 91) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point L71(lines 69 91) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 905 934) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L902 garLoopResultBuilder]: At program point L919-1(lines 919 923) the Hoare annotation is: true [2023-04-03 01:11:44,737 INFO L902 garLoopResultBuilder]: At program point L915-2(lines 915 929) the Hoare annotation is: true [2023-04-03 01:11:44,737 INFO L902 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: true [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point L911-1(line 911) no Hoare annotation was computed. [2023-04-03 01:11:44,737 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 905 934) the Hoare annotation is: true [2023-04-03 01:11:44,737 INFO L902 garLoopResultBuilder]: At program point L930(lines 905 934) the Hoare annotation is: true [2023-04-03 01:11:44,737 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 803 814) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 803 814) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-03 01:11:44,738 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 305 312) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 305 312) the Hoare annotation is: (let ((.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse2 .cse3 .cse6) (or .cse4 (let ((.cse7 (not (= ~pumpRunning~0 1)))) (and (or .cse3 .cse7 .cse5) (or .cse3 .cse7 .cse6))) .cse2) (or .cse0 (< ~waterLevel~0 1) .cse1 .cse2 .cse3))) [2023-04-03 01:11:44,738 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:44,738 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (or (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (<= 2 ~waterLevel~0))) .cse1))) [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-04-03 01:11:44,738 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:11:44,738 INFO L899 garLoopResultBuilder]: For program point L107-1(line 107) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:11:44,738 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 815 826) no Hoare annotation was computed. [2023-04-03 01:11:44,738 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 815 826) the Hoare annotation is: (let ((.cse10 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= ~pumpRunning~0 0))) (.cse9 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not .cse10)) (.cse3 (not (= ~pumpRunning~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse7 (and (or .cse1 .cse2 .cse3 .cse9) (or .cse1 .cse2 .cse3 .cse13))) (.cse12 (= 2 ~waterLevel~0)) (.cse11 (and (or .cse8 .cse1 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)) (or .cse5 (< |old(~waterLevel~0)| 1) .cse8 .cse1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse5 .cse8 .cse1 .cse9 .cse6) (or .cse5 .cse8 .cse1 (< ~switchedOnBeforeTS~0 1) .cse6) (or .cse0 .cse10 .cse4 .cse11) (or .cse12 .cse10 .cse13 .cse11) (or .cse0 .cse2 .cse4 .cse11) (or .cse12 .cse13 .cse7) (or .cse12 .cse2 .cse13 .cse11))))) [2023-04-03 01:11:44,739 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 1004 1011) the Hoare annotation is: true [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 1004 1011) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 1031 1037) the Hoare annotation is: true [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 1031 1037) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 317 324) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 324) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 325 334) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point L330(line 330) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 325 334) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 (<= 1 ~switchedOnBeforeTS~0)) (or .cse3 .cse0 (= 2 ~waterLevel~0) .cse2 (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1))) (or .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)))) [2023-04-03 01:11:44,739 INFO L895 garLoopResultBuilder]: At program point L350(line 350) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (< 1 ~waterLevel~0))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse1 (not (= 2 ~waterLevel~0)) .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5 (< ~switchedOnBeforeTS~0 1)))) [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 354) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 357) no Hoare annotation was computed. [2023-04-03 01:11:44,739 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~pumpRunning~0 1))) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse4 (< 1 ~waterLevel~0))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse2 .cse5) (or (< 2 ~waterLevel~0) .cse6 .cse0 (and .cse3 (<= ~waterLevel~0 1)) .cse5) (or .cse6 .cse0 .cse3 .cse4 (< ~switchedOnBeforeTS~0 1)))) [2023-04-03 01:11:44,739 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2023-04-03 01:11:44,740 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 360) no Hoare annotation was computed. [2023-04-03 01:11:44,740 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 335 363) no Hoare annotation was computed. [2023-04-03 01:11:44,740 INFO L902 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2023-04-03 01:11:44,740 INFO L899 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2023-04-03 01:11:44,740 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 335 363) no Hoare annotation was computed. [2023-04-03 01:11:44,740 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 363) the Hoare annotation is: true [2023-04-03 01:11:44,740 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:11:44,740 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2023-04-03 01:11:44,740 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:44,740 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 127 151) no Hoare annotation was computed. [2023-04-03 01:11:44,740 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 151) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-03 01:11:44,740 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 230) the Hoare annotation is: true [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 231 266) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point L261-1(line 261) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 231 266) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 441 486) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 441 486) no Hoare annotation was computed. [2023-04-03 01:11:44,741 INFO L895 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:44,741 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 966 976) no Hoare annotation was computed. [2023-04-03 01:11:44,742 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 966 976) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:44,742 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 966 976) no Hoare annotation was computed. [2023-04-03 01:11:44,742 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 211 221) no Hoare annotation was computed. [2023-04-03 01:11:44,742 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 211 221) the Hoare annotation is: true [2023-04-03 01:11:44,742 INFO L902 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: true [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 203 210) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 708 753) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 708 753) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 650) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point L655(lines 654 674) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point L686(line 686) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point L686-1(line 686) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 692) no Hoare annotation was computed. [2023-04-03 01:11:44,743 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 605 707) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 605 707) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point L670(line 670) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point L670-1(line 670) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point L629(lines 629 633) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 605 707) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point L654-2(lines 654 674) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point L675(lines 653 676) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 1014 1023) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 1014 1023) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 838) the Hoare annotation is: (let ((.cse7 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse8 (<= ~waterLevel~0 1)) (.cse9 (not .cse1)) (.cse10 (< ~switchedOnBeforeTS~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not .cse7)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (let ((.cse4 (not (= ~pumpRunning~0 1)))) (and (or .cse2 .cse3 .cse4 (< ~waterLevel~0 2)) (or .cse2 .cse3 .cse4 .cse5)))) (or .cse0 .cse6 .cse3 .cse7 .cse8 .cse9) (or .cse2 .cse6 (< ~waterLevel~0 1) .cse1 .cse3 (< 1 ~waterLevel~0)) (or .cse0 .cse2 .cse6 .cse1 .cse3 .cse8) (or .cse0 .cse6 .cse3 .cse7 .cse10 .cse9) (or .cse0 .cse6 .cse3 .cse7 .cse9 .cse5) (or .cse0 .cse2 .cse6 .cse1 .cse3 .cse10) (or .cse0 .cse2 .cse6 .cse1 .cse3 .cse5)))) [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 827 838) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 959 965) no Hoare annotation was computed. [2023-04-03 01:11:44,744 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 959 965) the Hoare annotation is: true [2023-04-03 01:11:44,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:44,745 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:11:44,745 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:11:44,745 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:11:44,747 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:11:44,748 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:11:44,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:11:44 BoogieIcfgContainer [2023-04-03 01:11:44,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:11:44,770 INFO L158 Benchmark]: Toolchain (without parser) took 61474.40ms. Allocated memory was 390.1MB in the beginning and 1.2GB in the end (delta: 763.4MB). Free memory was 351.1MB in the beginning and 654.3MB in the end (delta: -303.2MB). Peak memory consumption was 711.6MB. Max. memory is 8.0GB. [2023-04-03 01:11:44,770 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 206.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:11:44,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.19ms. Allocated memory is still 390.1MB. Free memory was 351.1MB in the beginning and 331.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-04-03 01:11:44,770 INFO L158 Benchmark]: Boogie Preprocessor took 69.64ms. Allocated memory is still 390.1MB. Free memory was 331.7MB in the beginning and 328.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:11:44,770 INFO L158 Benchmark]: RCFGBuilder took 820.97ms. Allocated memory is still 390.1MB. Free memory was 328.2MB in the beginning and 321.1MB in the end (delta: 7.2MB). Peak memory consumption was 34.7MB. Max. memory is 8.0GB. [2023-04-03 01:11:44,771 INFO L158 Benchmark]: TraceAbstraction took 60245.24ms. Allocated memory was 390.1MB in the beginning and 1.2GB in the end (delta: 763.4MB). Free memory was 320.5MB in the beginning and 654.3MB in the end (delta: -333.8MB). Peak memory consumption was 680.1MB. Max. memory is 8.0GB. [2023-04-03 01:11:44,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 206.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 334.19ms. Allocated memory is still 390.1MB. Free memory was 351.1MB in the beginning and 331.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.64ms. Allocated memory is still 390.1MB. Free memory was 331.7MB in the beginning and 328.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 820.97ms. Allocated memory is still 390.1MB. Free memory was 328.2MB in the beginning and 321.1MB in the end (delta: 7.2MB). Peak memory consumption was 34.7MB. Max. memory is 8.0GB. * TraceAbstraction took 60245.24ms. Allocated memory was 390.1MB in the beginning and 1.2GB in the end (delta: 763.4MB). Free memory was 320.5MB in the beginning and 654.3MB in the end (delta: -333.8MB). Peak memory consumption was 680.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1008]: 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 46 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.2s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2823 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2742 mSDsluCounter, 8299 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6844 mSDsCounter, 1825 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10521 IncrementalHoareTripleChecker+Invalid, 12346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1825 mSolverCounterUnsat, 1455 mSDtfsCounter, 10521 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2077 GetRequests, 1584 SyntacticMatches, 73 SemanticMatches, 420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20564 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2149occurred in iteration=9, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 708 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 3293 PreInvPairs, 3594 NumberOfFragments, 3557 HoareAnnotationTreeSize, 3293 FomulaSimplifications, 60915 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 64191 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1716 NumberOfCodeBlocks, 1716 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2302 ConstructedInterpolants, 0 QuantifiedInterpolants, 4109 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2103 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 929/1040 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: 377]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((((((((((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && pumpRunning == 1)) || !(\old(systemActive) == 1)) || ((((2 == waterLevel && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 == systemActive) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:11:44,794 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...