/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:54:11,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:54:11,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:54:11,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:54:11,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:54:11,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:54:11,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:54:11,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:54:11,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:54:11,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:54:11,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:54:11,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:54:11,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:54:11,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:54:11,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:54:11,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:54:11,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:54:11,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:54:11,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:54:11,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:54:11,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:54:11,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:54:11,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:54:11,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:54:11,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:54:11,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:54:11,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:54:11,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:54:11,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:54:11,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:54:11,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:54:11,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:54:11,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:54:11,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:54:11,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:54:11,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:54:11,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:54:11,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:54:11,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:54:11,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:54:11,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:54:11,751 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 [2023-03-31 23:54:11,774 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:54:11,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:54:11,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:54:11,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:54:11,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:54:11,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:54:11,775 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:54:11,776 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:54:11,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:54:11,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:54:11,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:54:11,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:54:11,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:54:11,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:54:11,778 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:54:11,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:54:11,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:54:11,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:54:11,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:54:11,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:54:11,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:54:11,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:54:11,950 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:54:11,950 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:54:11,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2023-03-31 23:54:13,114 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:54:13,257 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:54:13,257 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2023-03-31 23:54:13,265 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2c2d07e/ad16866ddba04e039757b95242e4f804/FLAG694493b6d [2023-03-31 23:54:13,274 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2c2d07e/ad16866ddba04e039757b95242e4f804 [2023-03-31 23:54:13,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:54:13,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:54:13,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:54:13,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:54:13,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:54:13,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b5416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13, skipping insertion in model container [2023-03-31 23:54:13,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:54:13,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:54:13,446 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2023-03-31 23:54:13,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:54:13,507 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:54:13,517 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2023-03-31 23:54:13,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:54:13,558 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:54:13,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13 WrapperNode [2023-03-31 23:54:13,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:54:13,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:54:13,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:54:13,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:54:13,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:54:13,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:54:13,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:54:13,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:54:13,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (1/1) ... [2023-03-31 23:54:13,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:54:13,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:54:13,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:54:13,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:54:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:54:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:54:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:54:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:54:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:54:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:54:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:54:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:54:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:54:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:54:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:54:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:54:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:54:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:54:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:54:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:54:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:54:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:54:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-03-31 23:54:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:54:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:54:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:54:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:54:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:54:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:54:13,898 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:54:13,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:54:14,315 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:54:14,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:54:14,416 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:54:14,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:54:14 BoogieIcfgContainer [2023-03-31 23:54:14,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:54:14,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:54:14,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:54:14,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:54:14,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:54:13" (1/3) ... [2023-03-31 23:54:14,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2698ea53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:54:14, skipping insertion in model container [2023-03-31 23:54:14,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:54:13" (2/3) ... [2023-03-31 23:54:14,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2698ea53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:54:14, skipping insertion in model container [2023-03-31 23:54:14,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:54:14" (3/3) ... [2023-03-31 23:54:14,426 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2023-03-31 23:54:14,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:54:14,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:54:14,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:54:14,496 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;@7fb03a99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:54:14,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:54:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 80 states have (on average 1.2875) internal successors, (103), 97 states have internal predecessors, (103), 55 states have call successors, (55), 33 states have call predecessors, (55), 33 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2023-03-31 23:54:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 23:54:14,508 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:14,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:54:14,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:14,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:14,512 INFO L85 PathProgramCache]: Analyzing trace with hash 986758144, now seen corresponding path program 1 times [2023-03-31 23:54:14,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:14,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757529205] [2023-03-31 23:54:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:14,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:54:14,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:14,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757529205] [2023-03-31 23:54:14,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757529205] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:54:14,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:54:14,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:54:14,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746809240] [2023-03-31 23:54:14,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:54:14,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:54:14,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:14,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:54:14,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:54:14,740 INFO L87 Difference]: Start difference. First operand has 171 states, 80 states have (on average 1.2875) internal successors, (103), 97 states have internal predecessors, (103), 55 states have call successors, (55), 33 states have call predecessors, (55), 33 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:54:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:14,816 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2023-03-31 23:54:14,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:54:14,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-03-31 23:54:14,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:14,832 INFO L225 Difference]: With dead ends: 272 [2023-03-31 23:54:14,832 INFO L226 Difference]: Without dead ends: 138 [2023-03-31 23:54:14,836 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 [2023-03-31 23:54:14,840 INFO L413 NwaCegarLoop]: 156 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, 156 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:14,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:54:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-03-31 23:54:14,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2023-03-31 23:54:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 71 states have (on average 1.2535211267605635) internal successors, (89), 85 states have internal predecessors, (89), 40 states have call successors, (40), 31 states have call predecessors, (40), 26 states have return successors, (35), 29 states have call predecessors, (35), 35 states have call successors, (35) [2023-03-31 23:54:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 164 transitions. [2023-03-31 23:54:14,902 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 164 transitions. Word has length 46 [2023-03-31 23:54:14,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:14,902 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 164 transitions. [2023-03-31 23:54:14,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:54:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2023-03-31 23:54:14,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 23:54:14,905 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:14,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:54:14,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:54:14,905 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:14,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:14,906 INFO L85 PathProgramCache]: Analyzing trace with hash 82418186, now seen corresponding path program 1 times [2023-03-31 23:54:14,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:14,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227505067] [2023-03-31 23:54:14,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:14,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:54:15,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:15,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227505067] [2023-03-31 23:54:15,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227505067] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:54:15,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:54:15,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:54:15,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050270843] [2023-03-31 23:54:15,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:54:15,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:54:15,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:15,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:54:15,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:54:15,018 INFO L87 Difference]: Start difference. First operand 138 states and 164 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:54:15,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:15,079 INFO L93 Difference]: Finished difference Result 223 states and 265 transitions. [2023-03-31 23:54:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:54:15,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-03-31 23:54:15,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:15,082 INFO L225 Difference]: With dead ends: 223 [2023-03-31 23:54:15,082 INFO L226 Difference]: Without dead ends: 130 [2023-03-31 23:54:15,083 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 [2023-03-31 23:54:15,084 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 11 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 256 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 [2023-03-31 23:54:15,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 256 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:54:15,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-03-31 23:54:15,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-03-31 23:54:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 80 states have internal predecessors, (83), 37 states have call successors, (37), 30 states have call predecessors, (37), 26 states have return successors, (33), 27 states have call predecessors, (33), 33 states have call successors, (33) [2023-03-31 23:54:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2023-03-31 23:54:15,095 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 47 [2023-03-31 23:54:15,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:15,095 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2023-03-31 23:54:15,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-03-31 23:54:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2023-03-31 23:54:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-03-31 23:54:15,104 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:15,104 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] [2023-03-31 23:54:15,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:54:15,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:15,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:15,105 INFO L85 PathProgramCache]: Analyzing trace with hash 21883868, now seen corresponding path program 1 times [2023-03-31 23:54:15,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:15,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965131951] [2023-03-31 23:54:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:54:15,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:15,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965131951] [2023-03-31 23:54:15,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965131951] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:54:15,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:54:15,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:54:15,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799577755] [2023-03-31 23:54:15,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:54:15,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:54:15,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:15,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:54:15,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:54:15,281 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:54:15,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:15,546 INFO L93 Difference]: Finished difference Result 385 states and 468 transitions. [2023-03-31 23:54:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:54:15,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-03-31 23:54:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:15,549 INFO L225 Difference]: With dead ends: 385 [2023-03-31 23:54:15,549 INFO L226 Difference]: Without dead ends: 280 [2023-03-31 23:54:15,550 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 [2023-03-31 23:54:15,551 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 256 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:15,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 623 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:54:15,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-03-31 23:54:15,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2023-03-31 23:54:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 145 states have (on average 1.289655172413793) internal successors, (187), 173 states have internal predecessors, (187), 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) [2023-03-31 23:54:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 330 transitions. [2023-03-31 23:54:15,574 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 330 transitions. Word has length 50 [2023-03-31 23:54:15,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:15,574 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 330 transitions. [2023-03-31 23:54:15,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:54:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 330 transitions. [2023-03-31 23:54:15,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-03-31 23:54:15,575 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:15,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:54:15,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:54:15,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:15,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:15,576 INFO L85 PathProgramCache]: Analyzing trace with hash 71340518, now seen corresponding path program 1 times [2023-03-31 23:54:15,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:15,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141683984] [2023-03-31 23:54:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:54:15,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:15,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141683984] [2023-03-31 23:54:15,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141683984] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:54:15,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:54:15,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 23:54:15,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834950172] [2023-03-31 23:54:15,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:54:15,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 23:54:15,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:15,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 23:54:15,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:54:15,651 INFO L87 Difference]: Start difference. First operand 272 states and 330 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 23:54:15,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:15,787 INFO L93 Difference]: Finished difference Result 634 states and 806 transitions. [2023-03-31 23:54:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 23:54:15,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2023-03-31 23:54:15,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:15,790 INFO L225 Difference]: With dead ends: 634 [2023-03-31 23:54:15,790 INFO L226 Difference]: Without dead ends: 387 [2023-03-31 23:54:15,792 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 [2023-03-31 23:54:15,792 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 106 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:15,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 547 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:54:15,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2023-03-31 23:54:15,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 373. [2023-03-31 23:54:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 210 states have (on average 1.2285714285714286) internal successors, (258), 232 states have internal predecessors, (258), 87 states have call successors, (87), 79 states have call predecessors, (87), 75 states have return successors, (103), 74 states have call predecessors, (103), 83 states have call successors, (103) [2023-03-31 23:54:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 448 transitions. [2023-03-31 23:54:15,818 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 448 transitions. Word has length 55 [2023-03-31 23:54:15,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:15,819 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 448 transitions. [2023-03-31 23:54:15,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 23:54:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 448 transitions. [2023-03-31 23:54:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-03-31 23:54:15,820 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:15,820 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:54:15,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:54:15,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:15,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:15,821 INFO L85 PathProgramCache]: Analyzing trace with hash -823413513, now seen corresponding path program 1 times [2023-03-31 23:54:15,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:15,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161376612] [2023-03-31 23:54:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:15,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:54:15,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:15,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161376612] [2023-03-31 23:54:15,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161376612] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:54:15,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:54:15,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:54:15,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681511607] [2023-03-31 23:54:15,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:54:15,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:54:15,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:15,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:54:15,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:54:15,958 INFO L87 Difference]: Start difference. First operand 373 states and 448 transitions. Second operand has 10 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-03-31 23:54:16,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:16,270 INFO L93 Difference]: Finished difference Result 1030 states and 1302 transitions. [2023-03-31 23:54:16,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:54:16,271 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) Word has length 90 [2023-03-31 23:54:16,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:16,274 INFO L225 Difference]: With dead ends: 1030 [2023-03-31 23:54:16,274 INFO L226 Difference]: Without dead ends: 682 [2023-03-31 23:54:16,276 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 [2023-03-31 23:54:16,279 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 130 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:16,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1007 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:54:16,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-03-31 23:54:16,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 662. [2023-03-31 23:54:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 381 states have (on average 1.2230971128608923) internal successors, (466), 415 states have internal predecessors, (466), 152 states have call successors, (152), 136 states have call predecessors, (152), 128 states have return successors, (194), 130 states have call predecessors, (194), 148 states have call successors, (194) [2023-03-31 23:54:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 812 transitions. [2023-03-31 23:54:16,324 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 812 transitions. Word has length 90 [2023-03-31 23:54:16,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:16,324 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 812 transitions. [2023-03-31 23:54:16,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-03-31 23:54:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 812 transitions. [2023-03-31 23:54:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-03-31 23:54:16,327 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:54:16,327 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, 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] [2023-03-31 23:54:16,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:54:16,328 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:54:16,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:54:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1034225997, now seen corresponding path program 1 times [2023-03-31 23:54:16,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:54:16,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184415092] [2023-03-31 23:54:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:54:16,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:54:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:54:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-03-31 23:54:16,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:54:16,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184415092] [2023-03-31 23:54:16,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184415092] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:54:16,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:54:16,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:54:16,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330598262] [2023-03-31 23:54:16,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:54:16,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:54:16,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:54:16,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:54:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:54:16,475 INFO L87 Difference]: Start difference. First operand 662 states and 812 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, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-03-31 23:54:16,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:54:16,781 INFO L93 Difference]: Finished difference Result 1786 states and 2236 transitions. [2023-03-31 23:54:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:54:16,781 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, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) Word has length 156 [2023-03-31 23:54:16,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:54:16,784 INFO L225 Difference]: With dead ends: 1786 [2023-03-31 23:54:16,785 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:54:16,807 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 [2023-03-31 23:54:16,808 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 131 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:54:16,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 784 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:54:16,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:54:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:54:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 23:54:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:54:16,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2023-03-31 23:54:16,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:54:16,810 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:54:16,810 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, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-03-31 23:54:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:54:16,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:54:16,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:54:16,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:54:16,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:54:17,982 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point L751-2(lines 751 772) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 726 781) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 726 781) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point L773(lines 750 774) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point L827-1(line 827) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 782 841) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 818) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 782 841) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 782 841) no Hoare annotation was computed. [2023-03-31 23:54:17,983 INFO L899 garLoopResultBuilder]: For program point L808-2(lines 808 833) no Hoare annotation was computed. [2023-03-31 23:54:17,984 INFO L899 garLoopResultBuilder]: For program point L834(lines 807 835) no Hoare annotation was computed. [2023-03-31 23:54:17,984 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 664 672) no Hoare annotation was computed. [2023-03-31 23:54:17,984 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 664 672) the Hoare annotation is: true [2023-03-31 23:54:17,984 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 132 154) no Hoare annotation was computed. [2023-03-31 23:54:17,984 INFO L895 garLoopResultBuilder]: At program point L144(line 144) 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) (= main_~tmp~0 1) (= 1 ~systemActive~0))) [2023-03-31 23:54:17,984 INFO L895 garLoopResultBuilder]: At program point L144-1(line 144) 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) (= main_~tmp~0 1) (= 1 ~systemActive~0))) [2023-03-31 23:54:17,984 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-03-31 23:54:17,984 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 149) no Hoare annotation was computed. [2023-03-31 23:54:17,984 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-03-31 23:54:17,984 INFO L895 garLoopResultBuilder]: At program point L139(line 139) 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))) [2023-03-31 23:54:17,985 INFO L895 garLoopResultBuilder]: At program point L138(line 138) 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))) [2023-03-31 23:54:17,985 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 154) 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))) [2023-03-31 23:54:17,985 INFO L895 garLoopResultBuilder]: At program point L138-1(line 138) 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))) [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-03-31 23:54:17,985 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 623 637) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 623 637) 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))) [2023-03-31 23:54:17,986 INFO L895 garLoopResultBuilder]: At program point L629(line 629) 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)))) [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2023-03-31 23:54:17,986 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 604 622) the Hoare annotation is: true [2023-03-31 23:54:17,986 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 604 622) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L902 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: true [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point L611-1(line 611) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 650 656) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 650 656) the Hoare annotation is: true [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 993 1038) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 993 1038) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 290 303) the Hoare annotation is: true [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 290 303) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L895 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 487) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L895 garLoopResultBuilder]: At program point L477(line 477) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point L477-1(line 477) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 492) no Hoare annotation was computed. [2023-03-31 23:54:17,987 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 471 495) no Hoare annotation was computed. [2023-03-31 23:54:17,988 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,988 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 471 495) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,988 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 471 495) no Hoare annotation was computed. [2023-03-31 23:54:17,988 INFO L895 garLoopResultBuilder]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= 0 processEnvironment_~tmp~5) (= ~methaneLevelCritical~0 0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-03-31 23:54:17,988 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 411 417) no Hoare annotation was computed. [2023-03-31 23:54:17,988 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 411 417) the Hoare annotation is: true [2023-03-31 23:54:17,988 INFO L895 garLoopResultBuilder]: At program point L347(line 347) 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))))) [2023-03-31 23:54:17,988 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 351) no Hoare annotation was computed. [2023-03-31 23:54:17,988 INFO L899 garLoopResultBuilder]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2023-03-31 23:54:17,988 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 315 380) no Hoare annotation was computed. [2023-03-31 23:54:17,988 INFO L895 garLoopResultBuilder]: At program point L370(lines 325 372) 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)))) [2023-03-31 23:54:17,988 INFO L895 garLoopResultBuilder]: At program point L337(line 337) 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)))) [2023-03-31 23:54:17,988 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 315 380) 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))) [2023-03-31 23:54:17,989 INFO L895 garLoopResultBuilder]: At program point L373(lines 324 374) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:54:17,989 INFO L895 garLoopResultBuilder]: At program point L363(line 363) 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))))) [2023-03-31 23:54:17,989 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 367) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L895 garLoopResultBuilder]: At program point L361-1(lines 355 368) 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))))) [2023-03-31 23:54:17,989 INFO L899 garLoopResultBuilder]: For program point L326(lines 325 372) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 368) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 315 380) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 496 503) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,989 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 496 503) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 304 312) the Hoare annotation is: true [2023-03-31 23:54:17,989 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 304 312) no Hoare annotation was computed. [2023-03-31 23:54:17,989 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 198) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point L186-1(line 186) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 201) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 176 204) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L902 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: true [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point L182-1(line 182) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 176 204) the Hoare annotation is: true [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 176 204) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 175) the Hoare annotation is: true [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 168 175) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 258 280) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 258 280) no Hoare annotation was computed. [2023-03-31 23:54:17,990 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 517) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L895 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,991 INFO L899 garLoopResultBuilder]: For program point L509-1(line 509) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 504 520) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 504 520) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,991 INFO L895 garLoopResultBuilder]: At program point L515(line 515) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~6 0)) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,991 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 504 520) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 281 289) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 281 289) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 585 603) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L902 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: true [2023-03-31 23:54:17,991 INFO L899 garLoopResultBuilder]: For program point L592-1(line 592) no Hoare annotation was computed. [2023-03-31 23:54:17,991 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 585 603) the Hoare annotation is: true [2023-03-31 23:54:17,991 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-03-31 23:54:17,991 INFO L895 garLoopResultBuilder]: At program point L398(lines 398 404) 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)))) [2023-03-31 23:54:17,992 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 387 410) no Hoare annotation was computed. [2023-03-31 23:54:17,992 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 387 410) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-03-31 23:54:17,992 INFO L895 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-03-31 23:54:17,992 INFO L899 garLoopResultBuilder]: For program point L391(lines 390 409) no Hoare annotation was computed. [2023-03-31 23:54:17,992 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 387 410) no Hoare annotation was computed. [2023-03-31 23:54:17,992 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-03-31 23:54:17,992 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-03-31 23:54:17,992 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-03-31 23:54:17,992 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-03-31 23:54:17,992 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-03-31 23:54:17,992 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-03-31 23:54:17,992 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-03-31 23:54:17,992 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-03-31 23:54:17,992 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-03-31 23:54:17,992 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 257) the Hoare annotation is: true [2023-03-31 23:54:17,993 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2023-03-31 23:54:17,993 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 213 224) no Hoare annotation was computed. [2023-03-31 23:54:17,993 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 213 224) the Hoare annotation is: true [2023-03-31 23:54:17,993 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 419 443) no Hoare annotation was computed. [2023-03-31 23:54:17,993 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,993 INFO L899 garLoopResultBuilder]: For program point L438-1(lines 419 443) no Hoare annotation was computed. [2023-03-31 23:54:17,993 INFO L895 garLoopResultBuilder]: At program point L433(line 433) 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))) [2023-03-31 23:54:17,993 INFO L895 garLoopResultBuilder]: At program point L429(line 429) 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))) [2023-03-31 23:54:17,993 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 435) no Hoare annotation was computed. [2023-03-31 23:54:17,993 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 419 443) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,993 INFO L895 garLoopResultBuilder]: At program point L425(line 425) 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))) [2023-03-31 23:54:17,993 INFO L899 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2023-03-31 23:54:17,993 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 440) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 236) the Hoare annotation is: true [2023-03-31 23:54:17,994 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 156 163) the Hoare annotation is: true [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 156 163) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 657 663) the Hoare annotation is: true [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 657 663) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 466) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L895 garLoopResultBuilder]: At program point L464(line 464) 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))) [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 445 469) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 445 469) no Hoare annotation was computed. [2023-03-31 23:54:17,994 INFO L895 garLoopResultBuilder]: At program point L459(line 459) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,994 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 445 469) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,994 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,994 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 461) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 540 548) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 540 548) the Hoare annotation is: true [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 549 584) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 549 584) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point L579-1(line 579) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 680 725) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 680 725) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L895 garLoopResultBuilder]: At program point L123(line 123) 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))) [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 118 128) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 118 128) 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))) [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 118 128) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 529 539) no Hoare annotation was computed. [2023-03-31 23:54:17,995 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 529 539) the Hoare annotation is: true [2023-03-31 23:54:17,996 INFO L902 garLoopResultBuilder]: At program point L534(line 534) the Hoare annotation is: true [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L534-1(line 534) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 521 528) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 521 528) the Hoare annotation is: true [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 947 992) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 947 992) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 640 649) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 640 649) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L894(lines 893 913) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 931) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L909(line 909) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L909-1(line 909) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 844 946) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 844 946) no Hoare annotation was computed. [2023-03-31 23:54:17,996 INFO L899 garLoopResultBuilder]: For program point L868(lines 868 872) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point L893-2(lines 893 913) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point L914(lines 892 915) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 844 946) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 889) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 237 248) 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))) [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-03-31 23:54:17,997 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:54:17,997 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:54:18,000 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 23:54:18,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:54:18,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:54:18 BoogieIcfgContainer [2023-03-31 23:54:18,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:54:18,009 INFO L158 Benchmark]: Toolchain (without parser) took 4732.50ms. Allocated memory was 371.2MB in the beginning and 483.4MB in the end (delta: 112.2MB). Free memory was 319.6MB in the beginning and 294.1MB in the end (delta: 25.5MB). Peak memory consumption was 138.8MB. Max. memory is 8.0GB. [2023-03-31 23:54:18,009 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory was 137.4MB in the beginning and 137.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:54:18,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.58ms. Allocated memory is still 371.2MB. Free memory was 319.6MB in the beginning and 300.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:54:18,009 INFO L158 Benchmark]: Boogie Preprocessor took 79.53ms. Allocated memory is still 371.2MB. Free memory was 300.4MB in the beginning and 296.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 23:54:18,010 INFO L158 Benchmark]: RCFGBuilder took 779.63ms. Allocated memory is still 371.2MB. Free memory was 296.8MB in the beginning and 292.7MB in the end (delta: 4.1MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB. [2023-03-31 23:54:18,010 INFO L158 Benchmark]: TraceAbstraction took 3587.20ms. Allocated memory was 371.2MB in the beginning and 483.4MB in the end (delta: 112.2MB). Free memory was 291.6MB in the beginning and 294.1MB in the end (delta: -2.5MB). Peak memory consumption was 110.3MB. Max. memory is 8.0GB. [2023-03-31 23:54:18,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory was 137.4MB in the beginning and 137.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 281.58ms. Allocated memory is still 371.2MB. Free memory was 319.6MB in the beginning and 300.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 79.53ms. Allocated memory is still 371.2MB. Free memory was 300.4MB in the beginning and 296.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 779.63ms. Allocated memory is still 371.2MB. Free memory was 296.8MB in the beginning and 292.7MB in the end (delta: 4.1MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3587.20ms. Allocated memory was 371.2MB in the beginning and 483.4MB in the end (delta: 112.2MB). Free memory was 291.6MB in the beginning and 294.1MB in the end (delta: -2.5MB). Peak memory consumption was 110.3MB. 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: 160]: 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, 212 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 651 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 634 mSDsluCounter, 3373 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2512 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1620 IncrementalHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 861 mSDtfsCounter, 1620 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=662occurred 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, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 1433 PreInvPairs, 1542 NumberOfFragments, 840 HoareAnnotationTreeSize, 1433 FomulaSimplifications, 290 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 73 FomulaSimplificationsInter, 4495 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 438 ConstructedInterpolants, 0 QuantifiedInterpolants, 601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 49/49 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-03-31 23:54:18,024 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...