/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_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:59:56,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:59:56,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:59:56,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:59:56,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:59:56,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:59:56,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:59:56,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:59:56,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:59:56,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:59:56,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:59:56,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:59:56,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:59:56,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:59:56,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:59:56,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:59:56,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:59:56,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:59:56,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:59:56,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:59:56,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:59:56,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:59:56,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:59:56,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:59:56,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:59:56,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:59:56,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:59:56,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:59:56,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:59:56,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:59:56,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:59:56,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:59:56,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:59:56,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:59:56,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:59:56,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:59:56,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:59:56,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:59:56,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:59:56,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:59:56,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:59:56,662 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 00:59:56,691 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:59:56,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:59:56,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:59:56,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:59:56,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:59:56,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:59:56,693 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:59:56,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:59:56,693 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:59:56,693 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:59:56,694 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:59:56,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:59:56,694 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:59:56,694 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:59:56,694 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:59:56,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:59:56,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:59:56,695 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:59:56,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:59:56,695 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:59:56,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:59:56,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:59:56,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:59:56,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:59:56,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:59:56,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:59:56,696 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:59:56,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:59:56,696 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:59:56,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:59:56,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:59:56,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:59:56,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:59:56,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:59:56,697 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:59:56,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:59:56,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:59:56,697 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:59:56,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:59:56,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:59:56,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:59:56,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:59:56,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:59:56,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:59:56,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:59:56,944 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:59:56,945 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:59:56,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2023-04-03 00:59:58,128 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:59:58,363 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:59:58,364 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2023-04-03 00:59:58,373 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ee5b354/8a01a8b148f64e1eb9836be46a57a6b3/FLAGa56e752dd [2023-04-03 00:59:58,385 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ee5b354/8a01a8b148f64e1eb9836be46a57a6b3 [2023-04-03 00:59:58,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:59:58,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:59:58,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:59:58,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:59:58,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:59:58,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbeeeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58, skipping insertion in model container [2023-04-03 00:59:58,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:59:58,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:59:58,566 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_spec1_product64.cil.c[1605,1618] [2023-04-03 00:59:58,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:59:58,721 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:59:58,733 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_spec1_product64.cil.c[1605,1618] [2023-04-03 00:59:58,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:59:58,828 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:59:58,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58 WrapperNode [2023-04-03 00:59:58,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:59:58,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:59:58,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:59:58,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:59:58,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,885 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:59:58,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:59:58,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:59:58,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:59:58,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (1/1) ... [2023-04-03 00:59:58,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:59:58,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:59:58,923 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 00:59:58,926 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 00:59:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:59:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:59:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:59:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:59:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:59:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 00:59:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 00:59:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 00:59:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 00:59:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 00:59:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 00:59:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 00:59:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 00:59:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 00:59:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 00:59:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 00:59:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:59:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:59:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:59:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:59:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:59:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:59:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:59:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:59:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:59:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 00:59:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 00:59:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 00:59:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 00:59:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 00:59:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 00:59:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 00:59:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:59:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:59:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:59:59,104 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:59:59,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:59:59,646 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:59:59,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:59:59,769 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 00:59:59,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:59:59 BoogieIcfgContainer [2023-04-03 00:59:59,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:59:59,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:59:59,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:59:59,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:59:59,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:59:58" (1/3) ... [2023-04-03 00:59:59,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f5e6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:59:59, skipping insertion in model container [2023-04-03 00:59:59,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:58" (2/3) ... [2023-04-03 00:59:59,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f5e6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:59:59, skipping insertion in model container [2023-04-03 00:59:59,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:59:59" (3/3) ... [2023-04-03 00:59:59,780 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2023-04-03 00:59:59,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:59:59,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:59:59,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:59:59,843 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;@29572475, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:59:59,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:59:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 97 states have internal predecessors, (101), 55 states have call successors, (55), 33 states have call predecessors, (55), 33 states have return successors, (55), 48 states have call predecessors, (55), 55 states have call successors, (55) [2023-04-03 00:59:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 00:59:59,858 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:59,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:59,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:59,865 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:59,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1745437619, now seen corresponding path program 1 times [2023-04-03 00:59:59,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:59,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288323253] [2023-04-03 00:59:59,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:59,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:00,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:00,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288323253] [2023-04-03 01:00:00,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288323253] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:00,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:00,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:00:00,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621137944] [2023-04-03 01:00:00,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:00,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:00:00,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:00,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:00:00,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:00,170 INFO L87 Difference]: Start difference. First operand has 170 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 97 states have internal predecessors, (101), 55 states have call successors, (55), 33 states have call predecessors, (55), 33 states have return successors, (55), 48 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:00:00,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:00,277 INFO L93 Difference]: Finished difference Result 273 states and 336 transitions. [2023-04-03 01:00:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:00:00,280 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 01:00:00,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:00,289 INFO L225 Difference]: With dead ends: 273 [2023-04-03 01:00:00,289 INFO L226 Difference]: Without dead ends: 137 [2023-04-03 01:00:00,293 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 01:00:00,296 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:00,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:00,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-04-03 01:00:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-04-03 01:00:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 85 states have internal predecessors, (87), 40 states have call successors, (40), 31 states have call predecessors, (40), 26 states have return successors, (35), 28 states have call predecessors, (35), 35 states have call successors, (35) [2023-04-03 01:00:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 162 transitions. [2023-04-03 01:00:00,359 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 162 transitions. Word has length 42 [2023-04-03 01:00:00,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:00,360 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 162 transitions. [2023-04-03 01:00:00,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:00:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2023-04-03 01:00:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 01:00:00,369 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:00,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:00,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:00:00,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:00,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash 392245756, now seen corresponding path program 1 times [2023-04-03 01:00:00,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:00,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928279267] [2023-04-03 01:00:00,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:00,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:00,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:00,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928279267] [2023-04-03 01:00:00,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928279267] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:00,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:00,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:00,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115699904] [2023-04-03 01:00:00,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:00,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:00,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:00,507 INFO L87 Difference]: Start difference. First operand 137 states and 162 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:00:00,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:00,558 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2023-04-03 01:00:00,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:00,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 01:00:00,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:00,560 INFO L225 Difference]: With dead ends: 221 [2023-04-03 01:00:00,561 INFO L226 Difference]: Without dead ends: 129 [2023-04-03 01:00:00,562 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 01:00:00,563 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 11 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:00,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 251 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:00,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-04-03 01:00:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-04-03 01:00:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 80 states have internal predecessors, (81), 37 states have call successors, (37), 30 states have call predecessors, (37), 26 states have return successors, (33), 26 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-03 01:00:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2023-04-03 01:00:00,577 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 43 [2023-04-03 01:00:00,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:00,577 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2023-04-03 01:00:00,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:00:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2023-04-03 01:00:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:00:00,579 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:00,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:00,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:00:00,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:00,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:00,580 INFO L85 PathProgramCache]: Analyzing trace with hash 896415183, now seen corresponding path program 1 times [2023-04-03 01:00:00,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:00,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688024622] [2023-04-03 01:00:00,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:00,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:00,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:00,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688024622] [2023-04-03 01:00:00,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688024622] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:00,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:00,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:00:00,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715860594] [2023-04-03 01:00:00,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:00,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:00:00,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:00,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:00:00,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:00:00,797 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:00:01,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:01,153 INFO L93 Difference]: Finished difference Result 388 states and 469 transitions. [2023-04-03 01:00:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:00:01,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 47 [2023-04-03 01:00:01,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:01,156 INFO L225 Difference]: With dead ends: 388 [2023-04-03 01:00:01,157 INFO L226 Difference]: Without dead ends: 281 [2023-04-03 01:00:01,158 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 01:00:01,159 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 317 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:01,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 557 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:00:01,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-04-03 01:00:01,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2023-04-03 01:00:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 142 states have (on average 1.2746478873239437) internal successors, (181), 171 states have internal predecessors, (181), 73 states have call successors, (73), 59 states have call predecessors, (73), 53 states have return successors, (70), 53 states have call predecessors, (70), 69 states have call successors, (70) [2023-04-03 01:00:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 324 transitions. [2023-04-03 01:00:01,191 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 324 transitions. Word has length 47 [2023-04-03 01:00:01,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:01,192 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 324 transitions. [2023-04-03 01:00:01,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:00:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 324 transitions. [2023-04-03 01:00:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 01:00:01,194 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:01,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:01,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:00:01,194 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:01,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:01,195 INFO L85 PathProgramCache]: Analyzing trace with hash 992649762, now seen corresponding path program 1 times [2023-04-03 01:00:01,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:01,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506137958] [2023-04-03 01:00:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:01,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:01,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506137958] [2023-04-03 01:00:01,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506137958] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:01,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:01,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:00:01,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673993301] [2023-04-03 01:00:01,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:01,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:01,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:00:01,347 INFO L87 Difference]: Start difference. First operand 269 states and 324 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:01,539 INFO L93 Difference]: Finished difference Result 635 states and 799 transitions. [2023-04-03 01:00:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:00:01,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2023-04-03 01:00:01,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:01,545 INFO L225 Difference]: With dead ends: 635 [2023-04-03 01:00:01,545 INFO L226 Difference]: Without dead ends: 388 [2023-04-03 01:00:01,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:00:01,557 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 106 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:01,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 539 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-04-03 01:00:01,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 374. [2023-04-03 01:00:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 209 states have (on average 1.2200956937799043) internal successors, (255), 233 states have internal predecessors, (255), 88 states have call successors, (88), 80 states have call predecessors, (88), 76 states have return successors, (104), 75 states have call predecessors, (104), 84 states have call successors, (104) [2023-04-03 01:00:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 447 transitions. [2023-04-03 01:00:01,623 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 447 transitions. Word has length 51 [2023-04-03 01:00:01,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:01,623 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 447 transitions. [2023-04-03 01:00:01,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:01,624 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 447 transitions. [2023-04-03 01:00:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-03 01:00:01,629 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:01,629 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] [2023-04-03 01:00:01,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:00:01,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:01,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash 479609818, now seen corresponding path program 1 times [2023-04-03 01:00:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:01,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279514545] [2023-04-03 01:00:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:01,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:01,895 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 01:00:01,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279514545] [2023-04-03 01:00:01,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279514545] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:01,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:01,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:00:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048984826] [2023-04-03 01:00:01,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:01,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:00:01,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:01,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:00:01,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:00:01,898 INFO L87 Difference]: Start difference. First operand 374 states and 447 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:00:02,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:02,294 INFO L93 Difference]: Finished difference Result 1041 states and 1309 transitions. [2023-04-03 01:00:02,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:00:02,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 87 [2023-04-03 01:00:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:02,299 INFO L225 Difference]: With dead ends: 1041 [2023-04-03 01:00:02,299 INFO L226 Difference]: Without dead ends: 689 [2023-04-03 01:00:02,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:00:02,301 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 130 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:02,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 991 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:00:02,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2023-04-03 01:00:02,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 669. [2023-04-03 01:00:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 382 states have (on average 1.2172774869109948) internal successors, (465), 420 states have internal predecessors, (465), 155 states have call successors, (155), 139 states have call predecessors, (155), 131 states have return successors, (197), 133 states have call predecessors, (197), 151 states have call successors, (197) [2023-04-03 01:00:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 817 transitions. [2023-04-03 01:00:02,354 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 817 transitions. Word has length 87 [2023-04-03 01:00:02,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:02,355 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 817 transitions. [2023-04-03 01:00:02,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:00:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 817 transitions. [2023-04-03 01:00:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-03 01:00:02,361 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:02,361 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-04-03 01:00:02,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:00:02,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:02,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash -394753496, now seen corresponding path program 1 times [2023-04-03 01:00:02,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:02,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364322092] [2023-04-03 01:00:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:02,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-03 01:00:02,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:02,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364322092] [2023-04-03 01:00:02,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364322092] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:02,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:02,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:00:02,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728109488] [2023-04-03 01:00:02,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:02,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:00:02,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:02,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:00:02,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:00:02,598 INFO L87 Difference]: Start difference. First operand 669 states and 817 transitions. Second operand has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 01:00:02,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:02,976 INFO L93 Difference]: Finished difference Result 1817 states and 2265 transitions. [2023-04-03 01:00:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:00:02,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) Word has length 151 [2023-04-03 01:00:02,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:02,978 INFO L225 Difference]: With dead ends: 1817 [2023-04-03 01:00:02,978 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:00:02,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:00:02,982 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 131 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:02,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 786 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:00:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:00:02,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:00:02,983 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 01:00:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:00:02,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2023-04-03 01:00:02,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:02,984 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:00:02,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-03 01:00:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:00:02,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:00:02,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:00:02,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:00:02,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:00:04,453 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:00:04,453 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:00:04,453 INFO L899 garLoopResultBuilder]: For program point L224(lines 201 225) no Hoare annotation was computed. [2023-04-03 01:00:04,453 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2023-04-03 01:00:04,453 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 177 232) no Hoare annotation was computed. [2023-04-03 01:00:04,453 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 223) no Hoare annotation was computed. [2023-04-03 01:00:04,453 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 177 232) no Hoare annotation was computed. [2023-04-03 01:00:04,454 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 284) no Hoare annotation was computed. [2023-04-03 01:00:04,454 INFO L899 garLoopResultBuilder]: For program point L285(lines 258 286) no Hoare annotation was computed. [2023-04-03 01:00:04,454 INFO L899 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2023-04-03 01:00:04,454 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 233 292) no Hoare annotation was computed. [2023-04-03 01:00:04,454 INFO L899 garLoopResultBuilder]: For program point L278-1(line 278) no Hoare annotation was computed. [2023-04-03 01:00:04,455 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 233 292) no Hoare annotation was computed. [2023-04-03 01:00:04,455 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 233 292) no Hoare annotation was computed. [2023-04-03 01:00:04,455 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 269) no Hoare annotation was computed. [2023-04-03 01:00:04,455 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 87 95) no Hoare annotation was computed. [2023-04-03 01:00:04,455 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 87 95) the Hoare annotation is: true [2023-04-03 01:00:04,455 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 578 585) no Hoare annotation was computed. [2023-04-03 01:00:04,456 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-03 01:00:04,456 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,456 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,458 INFO L895 garLoopResultBuilder]: At program point L574-1(line 574) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,458 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 568 590) no Hoare annotation was computed. [2023-04-03 01:00:04,458 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 568 590) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,458 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1))) [2023-04-03 01:00:04,459 INFO L895 garLoopResultBuilder]: At program point L580-1(line 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1))) [2023-04-03 01:00:04,459 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 585) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 526 549) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point L541(line 541) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 526 549) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-04-03 01:00:04,460 INFO L899 garLoopResultBuilder]: For program point L538(line 538) no Hoare annotation was computed. [2023-04-03 01:00:04,461 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-04-03 01:00:04,461 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point L532(line 532) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 526 549) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 839 853) no Hoare annotation was computed. [2023-04-03 01:00:04,462 INFO L895 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0)))) [2023-04-03 01:00:04,462 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 849) no Hoare annotation was computed. [2023-04-03 01:00:04,463 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 839 853) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-03 01:00:04,463 INFO L902 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: true [2023-04-03 01:00:04,463 INFO L899 garLoopResultBuilder]: For program point L827-1(line 827) no Hoare annotation was computed. [2023-04-03 01:00:04,463 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 820 838) the Hoare annotation is: true [2023-04-03 01:00:04,463 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 820 838) no Hoare annotation was computed. [2023-04-03 01:00:04,463 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 73 79) no Hoare annotation was computed. [2023-04-03 01:00:04,463 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 73 79) the Hoare annotation is: true [2023-04-03 01:00:04,463 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 444 489) no Hoare annotation was computed. [2023-04-03 01:00:04,464 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 444 489) no Hoare annotation was computed. [2023-04-03 01:00:04,464 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 943 956) the Hoare annotation is: true [2023-04-03 01:00:04,464 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2023-04-03 01:00:04,464 INFO L899 garLoopResultBuilder]: For program point L706-1(lines 687 711) no Hoare annotation was computed. [2023-04-03 01:00:04,464 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (and (= 0 processEnvironment_~tmp~7) (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:04,464 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (= ~methaneLevelCritical~0 processEnvironment_~tmp~7)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:04,464 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 703) no Hoare annotation was computed. [2023-04-03 01:00:04,465 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 687 711) no Hoare annotation was computed. [2023-04-03 01:00:04,465 INFO L895 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,465 INFO L899 garLoopResultBuilder]: For program point L693-1(line 693) no Hoare annotation was computed. [2023-04-03 01:00:04,465 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 708) no Hoare annotation was computed. [2023-04-03 01:00:04,465 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 687 711) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,465 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,465 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 627 633) no Hoare annotation was computed. [2023-04-03 01:00:04,465 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 627 633) the Hoare annotation is: true [2023-04-03 01:00:04,465 INFO L895 garLoopResultBuilder]: At program point L1024(lines 977 1026) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-03 01:00:04,466 INFO L895 garLoopResultBuilder]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-03 01:00:04,466 INFO L899 garLoopResultBuilder]: For program point L987(lines 987 993) no Hoare annotation was computed. [2023-04-03 01:00:04,466 INFO L899 garLoopResultBuilder]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2023-04-03 01:00:04,466 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 967 1034) no Hoare annotation was computed. [2023-04-03 01:00:04,466 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 967 1034) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,466 INFO L895 garLoopResultBuilder]: At program point L1027(lines 976 1028) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,466 INFO L895 garLoopResultBuilder]: At program point L1017(line 1017) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-03 01:00:04,466 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1021) no Hoare annotation was computed. [2023-04-03 01:00:04,467 INFO L895 garLoopResultBuilder]: At program point L1015-1(lines 1007 1022) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-03 01:00:04,467 INFO L899 garLoopResultBuilder]: For program point L978(lines 977 1026) no Hoare annotation was computed. [2023-04-03 01:00:04,467 INFO L895 garLoopResultBuilder]: At program point L1009(line 1009) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,467 INFO L899 garLoopResultBuilder]: For program point L1007(lines 1007 1022) no Hoare annotation was computed. [2023-04-03 01:00:04,467 INFO L895 garLoopResultBuilder]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-03 01:00:04,467 INFO L899 garLoopResultBuilder]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2023-04-03 01:00:04,467 INFO L899 garLoopResultBuilder]: For program point L997-1(lines 997 1003) no Hoare annotation was computed. [2023-04-03 01:00:04,467 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 967 1034) no Hoare annotation was computed. [2023-04-03 01:00:04,467 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 712 719) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,467 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 712 719) no Hoare annotation was computed. [2023-04-03 01:00:04,468 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 965) the Hoare annotation is: true [2023-04-03 01:00:04,468 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 957 965) no Hoare annotation was computed. [2023-04-03 01:00:04,468 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 911 933) no Hoare annotation was computed. [2023-04-03 01:00:04,468 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 911 933) no Hoare annotation was computed. [2023-04-03 01:00:04,468 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 720 736) no Hoare annotation was computed. [2023-04-03 01:00:04,468 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~8 0)) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,468 INFO L899 garLoopResultBuilder]: For program point L731-1(lines 720 736) no Hoare annotation was computed. [2023-04-03 01:00:04,469 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 720 736) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,469 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2023-04-03 01:00:04,469 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,469 INFO L899 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2023-04-03 01:00:04,470 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 801 819) no Hoare annotation was computed. [2023-04-03 01:00:04,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 801 819) the Hoare annotation is: true [2023-04-03 01:00:04,470 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2023-04-03 01:00:04,470 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2023-04-03 01:00:04,471 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 934 942) no Hoare annotation was computed. [2023-04-03 01:00:04,471 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2023-04-03 01:00:04,471 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 910) the Hoare annotation is: true [2023-04-03 01:00:04,471 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2023-04-03 01:00:04,471 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-04-03 01:00:04,471 INFO L899 garLoopResultBuilder]: For program point L607(lines 606 625) no Hoare annotation was computed. [2023-04-03 01:00:04,471 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 603 626) no Hoare annotation was computed. [2023-04-03 01:00:04,471 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 626) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 01:00:04,471 INFO L895 garLoopResultBuilder]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-04-03 01:00:04,472 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 603 626) no Hoare annotation was computed. [2023-04-03 01:00:04,472 INFO L895 garLoopResultBuilder]: At program point L614(lines 614 620) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (and (= ~methaneLevelCritical~0 0) (not .cse2)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1)))) [2023-04-03 01:00:04,476 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 493 522) no Hoare annotation was computed. [2023-04-03 01:00:04,476 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2023-04-03 01:00:04,477 INFO L902 garLoopResultBuilder]: At program point L507-1(lines 507 511) the Hoare annotation is: true [2023-04-03 01:00:04,477 INFO L902 garLoopResultBuilder]: At program point L503-2(lines 503 517) the Hoare annotation is: true [2023-04-03 01:00:04,477 INFO L902 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: true [2023-04-03 01:00:04,477 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2023-04-03 01:00:04,477 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 493 522) the Hoare annotation is: true [2023-04-03 01:00:04,477 INFO L902 garLoopResultBuilder]: At program point L518(lines 493 522) the Hoare annotation is: true [2023-04-03 01:00:04,477 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2023-04-03 01:00:04,477 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2023-04-03 01:00:04,477 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 866 877) the Hoare annotation is: true [2023-04-03 01:00:04,477 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 854 861) no Hoare annotation was computed. [2023-04-03 01:00:04,478 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 861) the Hoare annotation is: true [2023-04-03 01:00:04,478 INFO L895 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-04-03 01:00:04,478 INFO L899 garLoopResultBuilder]: For program point L641-1(line 641) no Hoare annotation was computed. [2023-04-03 01:00:04,478 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 656) no Hoare annotation was computed. [2023-04-03 01:00:04,478 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 635 659) no Hoare annotation was computed. [2023-04-03 01:00:04,478 INFO L895 garLoopResultBuilder]: At program point L654(line 654) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,478 INFO L899 garLoopResultBuilder]: For program point L654-1(lines 635 659) no Hoare annotation was computed. [2023-04-03 01:00:04,478 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 659) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,478 INFO L895 garLoopResultBuilder]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-04-03 01:00:04,479 INFO L895 garLoopResultBuilder]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-04-03 01:00:04,479 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 651) no Hoare annotation was computed. [2023-04-03 01:00:04,479 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2023-04-03 01:00:04,479 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 889) the Hoare annotation is: true [2023-04-03 01:00:04,479 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 01:00:04,479 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 01:00:04,479 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 01:00:04,479 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 80 86) the Hoare annotation is: true [2023-04-03 01:00:04,479 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 80 86) no Hoare annotation was computed. [2023-04-03 01:00:04,479 INFO L895 garLoopResultBuilder]: At program point L671(line 671) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,480 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 677) no Hoare annotation was computed. [2023-04-03 01:00:04,480 INFO L895 garLoopResultBuilder]: At program point L667(line 667) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,480 INFO L899 garLoopResultBuilder]: For program point L667-1(line 667) no Hoare annotation was computed. [2023-04-03 01:00:04,480 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 682) no Hoare annotation was computed. [2023-04-03 01:00:04,480 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 661 685) no Hoare annotation was computed. [2023-04-03 01:00:04,480 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 661 685) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,480 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-04-03 01:00:04,480 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 661 685) no Hoare annotation was computed. [2023-04-03 01:00:04,480 INFO L895 garLoopResultBuilder]: At program point L675(line 675) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 756 764) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 764) the Hoare annotation is: true [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point L795-1(line 795) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 765 800) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 765 800) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 131 176) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 131 176) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 558 567) no Hoare annotation was computed. [2023-04-03 01:00:04,481 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 567) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:04,481 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 558 567) no Hoare annotation was computed. [2023-04-03 01:00:04,482 INFO L902 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: true [2023-04-03 01:00:04,482 INFO L899 garLoopResultBuilder]: For program point L750-1(line 750) no Hoare annotation was computed. [2023-04-03 01:00:04,482 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 745 755) no Hoare annotation was computed. [2023-04-03 01:00:04,482 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 745 755) the Hoare annotation is: true [2023-04-03 01:00:04,482 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 737 744) no Hoare annotation was computed. [2023-04-03 01:00:04,482 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 737 744) the Hoare annotation is: true [2023-04-03 01:00:04,482 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 398 443) no Hoare annotation was computed. [2023-04-03 01:00:04,482 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 398 443) no Hoare annotation was computed. [2023-04-03 01:00:04,482 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:00:04,483 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:00:04,483 INFO L899 garLoopResultBuilder]: For program point L345(lines 344 364) no Hoare annotation was computed. [2023-04-03 01:00:04,483 INFO L899 garLoopResultBuilder]: For program point L376(line 376) no Hoare annotation was computed. [2023-04-03 01:00:04,483 INFO L899 garLoopResultBuilder]: For program point L376-1(line 376) no Hoare annotation was computed. [2023-04-03 01:00:04,483 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 382) no Hoare annotation was computed. [2023-04-03 01:00:04,483 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 295 397) no Hoare annotation was computed. [2023-04-03 01:00:04,483 INFO L899 garLoopResultBuilder]: For program point L360(line 360) no Hoare annotation was computed. [2023-04-03 01:00:04,484 INFO L899 garLoopResultBuilder]: For program point L360-1(line 360) no Hoare annotation was computed. [2023-04-03 01:00:04,484 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 295 397) no Hoare annotation was computed. [2023-04-03 01:00:04,484 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 323) no Hoare annotation was computed. [2023-04-03 01:00:04,484 INFO L899 garLoopResultBuilder]: For program point L344-2(lines 344 364) no Hoare annotation was computed. [2023-04-03 01:00:04,484 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 295 397) no Hoare annotation was computed. [2023-04-03 01:00:04,484 INFO L899 garLoopResultBuilder]: For program point L365(lines 343 366) no Hoare annotation was computed. [2023-04-03 01:00:04,484 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 340) no Hoare annotation was computed. [2023-04-03 01:00:04,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:00:04,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:04,485 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:04,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:00:04,485 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 901) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2023-04-03 01:00:04,485 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2023-04-03 01:00:04,485 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 550 556) no Hoare annotation was computed. [2023-04-03 01:00:04,485 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 550 556) the Hoare annotation is: true [2023-04-03 01:00:04,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:04,485 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-04-03 01:00:04,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:00:04,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:00:04,486 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 99 123) no Hoare annotation was computed. [2023-04-03 01:00:04,486 INFO L895 garLoopResultBuilder]: At program point L113(line 113) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-04-03 01:00:04,486 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 117) no Hoare annotation was computed. [2023-04-03 01:00:04,486 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-04-03 01:00:04,486 INFO L899 garLoopResultBuilder]: For program point L109-1(line 109) no Hoare annotation was computed. [2023-04-03 01:00:04,487 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 120) no Hoare annotation was computed. [2023-04-03 01:00:04,487 INFO L899 garLoopResultBuilder]: For program point L107-1(lines 99 123) no Hoare annotation was computed. [2023-04-03 01:00:04,487 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 99 123) the Hoare annotation is: true [2023-04-03 01:00:04,487 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2023-04-03 01:00:04,487 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-04-03 01:00:04,491 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-03 01:00:04,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:00:04,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:00:04 BoogieIcfgContainer [2023-04-03 01:00:04,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:00:04,509 INFO L158 Benchmark]: Toolchain (without parser) took 6120.89ms. Allocated memory was 308.3MB in the beginning and 400.6MB in the end (delta: 92.3MB). Free memory was 247.2MB in the beginning and 324.6MB in the end (delta: -77.4MB). Peak memory consumption was 154.4MB. Max. memory is 8.0GB. [2023-04-03 01:00:04,510 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 212.9MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:00:04,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.70ms. Allocated memory is still 308.3MB. Free memory was 247.2MB in the beginning and 227.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-04-03 01:00:04,510 INFO L158 Benchmark]: Boogie Preprocessor took 65.59ms. Allocated memory is still 308.3MB. Free memory was 227.8MB in the beginning and 224.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:00:04,510 INFO L158 Benchmark]: RCFGBuilder took 875.76ms. Allocated memory is still 308.3MB. Free memory was 224.1MB in the beginning and 161.7MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-04-03 01:00:04,511 INFO L158 Benchmark]: TraceAbstraction took 4734.09ms. Allocated memory was 308.3MB in the beginning and 400.6MB in the end (delta: 92.3MB). Free memory was 160.7MB in the beginning and 324.6MB in the end (delta: -163.9MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. [2023-04-03 01:00:04,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 212.9MB. Free memory is still 160.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 439.70ms. Allocated memory is still 308.3MB. Free memory was 247.2MB in the beginning and 227.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.59ms. Allocated memory is still 308.3MB. Free memory was 227.8MB in the beginning and 224.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 875.76ms. Allocated memory is still 308.3MB. Free memory was 224.1MB in the beginning and 161.7MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * TraceAbstraction took 4734.09ms. Allocated memory was 308.3MB in the beginning and 400.6MB in the end (delta: 92.3MB). Free memory was 160.7MB in the beginning and 324.6MB in the end (delta: -163.9MB). Peak memory consumption was 67.3MB. 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 713 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 695 mSDsluCounter, 3278 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2429 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1616 IncrementalHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 849 mSDtfsCounter, 1616 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=5, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 46 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 1449 PreInvPairs, 1562 NumberOfFragments, 833 HoareAnnotationTreeSize, 1449 FomulaSimplifications, 378 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 73 FomulaSimplificationsInter, 4488 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 421 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 415 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 47/47 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: 976]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:00:04,531 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...