/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:09:07,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:09:07,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:09:07,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:09:07,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:09:07,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:09:07,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:09:07,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:09:07,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:09:07,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:09:07,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:09:07,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:09:07,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:09:07,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:09:07,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:09:07,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:09:07,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:09:07,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:09:07,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:09:07,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:09:07,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:09:07,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:09:07,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:09:07,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:09:07,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:09:07,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:09:07,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:09:07,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:09:07,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:09:07,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:09:07,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:09:07,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:09:07,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:09:07,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:09:07,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:09:07,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:09:07,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:09:07,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:09:07,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:09:07,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:09:07,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:09:07,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:09:07,600 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:09:07,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:09:07,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:09:07,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:09:07,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:09:07,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:09:07,601 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:09:07,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:09:07,601 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:09:07,601 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:09:07,602 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:09:07,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:09:07,602 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:09:07,602 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:09:07,602 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:09:07,602 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:09:07,602 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:09:07,602 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:09:07,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:09:07,603 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:09:07,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:09:07,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:09:07,604 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:09:07,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:09:07,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:09:07,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:09:07,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:09:07,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:09:07,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:09:07,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:09:07,826 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:09:07,827 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:09:07,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-04-03 01:09:08,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:09:09,018 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:09:09,020 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-04-03 01:09:09,028 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c340fbd9/5e3ff115c25642c9816d0303d566ef2a/FLAG50d60bb4e [2023-04-03 01:09:09,050 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c340fbd9/5e3ff115c25642c9816d0303d566ef2a [2023-04-03 01:09:09,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:09:09,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:09:09,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:09:09,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:09:09,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:09:09,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1457135d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09, skipping insertion in model container [2023-04-03 01:09:09,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:09:09,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:09:09,194 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2023-04-03 01:09:09,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:09:09,286 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:09:09,294 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2023-04-03 01:09:09,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:09:09,355 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:09:09,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09 WrapperNode [2023-04-03 01:09:09,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:09:09,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:09:09,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:09:09,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:09:09,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:09:09,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:09:09,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:09:09,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:09:09,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (1/1) ... [2023-04-03 01:09:09,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:09:09,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:09,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:09:09,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:09:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:09:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:09:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:09:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:09:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:09:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:09:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:09:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:09:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:09:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:09:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:09:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:09:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:09:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:09:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:09:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:09:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:09:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:09:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:09:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:09:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:09:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:09:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:09:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:09:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:09:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:09:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:09:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:09:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:09:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:09:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:09:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:09:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:09:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:09:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:09:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:09:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:09:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:09:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:09:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:09:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:09:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:09:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:09:09,638 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:09:09,640 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:09:10,151 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:09:10,253 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:09:10,253 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:09:10,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:09:10 BoogieIcfgContainer [2023-04-03 01:09:10,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:09:10,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:09:10,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:09:10,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:09:10,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:09:09" (1/3) ... [2023-04-03 01:09:10,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8d39e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:09:10, skipping insertion in model container [2023-04-03 01:09:10,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:09" (2/3) ... [2023-04-03 01:09:10,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8d39e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:09:10, skipping insertion in model container [2023-04-03 01:09:10,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:09:10" (3/3) ... [2023-04-03 01:09:10,261 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2023-04-03 01:09:10,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:09:10,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:09:10,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:09:10,312 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;@594ff348, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:09:10,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:09:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 84 states have internal predecessors, (90), 50 states have call successors, (50), 31 states have call predecessors, (50), 31 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) [2023-04-03 01:09:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:09:10,323 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:10,323 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:10,324 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:10,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:10,327 INFO L85 PathProgramCache]: Analyzing trace with hash -705342958, now seen corresponding path program 1 times [2023-04-03 01:09:10,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:10,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169134435] [2023-04-03 01:09:10,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:10,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:10,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169134435] [2023-04-03 01:09:10,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169134435] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:10,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:09:10,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825750384] [2023-04-03 01:09:10,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:10,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:09:10,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:10,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:09:10,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:09:10,522 INFO L87 Difference]: Start difference. First operand has 154 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 84 states have internal predecessors, (90), 50 states have call successors, (50), 31 states have call predecessors, (50), 31 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:10,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:10,586 INFO L93 Difference]: Finished difference Result 238 states and 291 transitions. [2023-04-03 01:09:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:09:10,588 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:09:10,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:10,594 INFO L225 Difference]: With dead ends: 238 [2023-04-03 01:09:10,595 INFO L226 Difference]: Without dead ends: 121 [2023-04-03 01:09:10,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:09:10,599 INFO L413 NwaCegarLoop]: 133 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, 133 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:10,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:09:10,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-04-03 01:09:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-04-03 01:09:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 72 states have internal predecessors, (76), 35 states have call successors, (35), 29 states have call predecessors, (35), 24 states have return successors, (30), 26 states have call predecessors, (30), 30 states have call successors, (30) [2023-04-03 01:09:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2023-04-03 01:09:10,630 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 52 [2023-04-03 01:09:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:10,630 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2023-04-03 01:09:10,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2023-04-03 01:09:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:09:10,632 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:10,632 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:10,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:09:10,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:10,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:10,633 INFO L85 PathProgramCache]: Analyzing trace with hash 401833960, now seen corresponding path program 1 times [2023-04-03 01:09:10,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:10,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395931121] [2023-04-03 01:09:10,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:10,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:10,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395931121] [2023-04-03 01:09:10,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395931121] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:10,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:10,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:09:10,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653444518] [2023-04-03 01:09:10,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:10,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:09:10,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:10,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:09:10,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:10,749 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:10,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:10,794 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2023-04-03 01:09:10,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:09:10,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:09:10,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:10,796 INFO L225 Difference]: With dead ends: 189 [2023-04-03 01:09:10,796 INFO L226 Difference]: Without dead ends: 113 [2023-04-03 01:09:10,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:10,797 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 11 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:10,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 210 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:09:10,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-04-03 01:09:10,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-04-03 01:09:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 56 states have (on average 1.25) internal successors, (70), 67 states have internal predecessors, (70), 32 states have call successors, (32), 28 states have call predecessors, (32), 24 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-04-03 01:09:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2023-04-03 01:09:10,806 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 53 [2023-04-03 01:09:10,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:10,806 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2023-04-03 01:09:10,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2023-04-03 01:09:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-03 01:09:10,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:10,808 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:10,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:09:10,808 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:10,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash 625731124, now seen corresponding path program 1 times [2023-04-03 01:09:10,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:10,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826072649] [2023-04-03 01:09:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:10,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:10,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:10,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826072649] [2023-04-03 01:09:10,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826072649] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:10,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:10,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:09:10,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041416257] [2023-04-03 01:09:10,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:10,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:09:11,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:11,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:09:11,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:09:11,000 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:09:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:11,318 INFO L93 Difference]: Finished difference Result 338 states and 404 transitions. [2023-04-03 01:09:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:09:11,319 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-03 01:09:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:11,326 INFO L225 Difference]: With dead ends: 338 [2023-04-03 01:09:11,326 INFO L226 Difference]: Without dead ends: 250 [2023-04-03 01:09:11,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:09:11,333 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 209 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:11,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 534 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:09:11,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-04-03 01:09:11,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2023-04-03 01:09:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 126 states have (on average 1.2857142857142858) internal successors, (162), 148 states have internal predecessors, (162), 65 states have call successors, (65), 56 states have call predecessors, (65), 50 states have return successors, (62), 49 states have call predecessors, (62), 61 states have call successors, (62) [2023-04-03 01:09:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 289 transitions. [2023-04-03 01:09:11,358 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 289 transitions. Word has length 56 [2023-04-03 01:09:11,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:11,358 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 289 transitions. [2023-04-03 01:09:11,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:09:11,358 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 289 transitions. [2023-04-03 01:09:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-03 01:09:11,360 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:11,360 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:11,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:09:11,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:11,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:11,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1329623590, now seen corresponding path program 1 times [2023-04-03 01:09:11,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:11,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373258254] [2023-04-03 01:09:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:09:11,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:11,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373258254] [2023-04-03 01:09:11,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373258254] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:11,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:11,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:09:11,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856847923] [2023-04-03 01:09:11,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:11,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:09:11,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:11,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:09:11,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:09:11,539 INFO L87 Difference]: Start difference. First operand 242 states and 289 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:09:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:11,878 INFO L93 Difference]: Finished difference Result 624 states and 814 transitions. [2023-04-03 01:09:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:09:11,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-04-03 01:09:11,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:11,881 INFO L225 Difference]: With dead ends: 624 [2023-04-03 01:09:11,881 INFO L226 Difference]: Without dead ends: 407 [2023-04-03 01:09:11,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:09:11,883 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 141 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:11,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 281 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:09:11,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-04-03 01:09:11,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 357. [2023-04-03 01:09:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 192 states have (on average 1.21875) internal successors, (234), 210 states have internal predecessors, (234), 85 states have call successors, (85), 74 states have call predecessors, (85), 79 states have return successors, (107), 84 states have call predecessors, (107), 81 states have call successors, (107) [2023-04-03 01:09:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 426 transitions. [2023-04-03 01:09:11,927 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 426 transitions. Word has length 61 [2023-04-03 01:09:11,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:11,928 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 426 transitions. [2023-04-03 01:09:11,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:09:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 426 transitions. [2023-04-03 01:09:11,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-04-03 01:09:11,930 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:11,930 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] [2023-04-03 01:09:11,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:09:11,930 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:11,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:11,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1619584947, now seen corresponding path program 1 times [2023-04-03 01:09:11,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:11,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970946895] [2023-04-03 01:09:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:11,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:12,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:12,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970946895] [2023-04-03 01:09:12,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970946895] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:12,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:12,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:09:12,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699610375] [2023-04-03 01:09:12,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:12,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:09:12,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:12,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:09:12,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:09:12,229 INFO L87 Difference]: Start difference. First operand 357 states and 426 transitions. Second operand has 12 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2023-04-03 01:09:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:12,575 INFO L93 Difference]: Finished difference Result 1089 states and 1322 transitions. [2023-04-03 01:09:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:09:12,576 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) Word has length 78 [2023-04-03 01:09:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:12,581 INFO L225 Difference]: With dead ends: 1089 [2023-04-03 01:09:12,582 INFO L226 Difference]: Without dead ends: 757 [2023-04-03 01:09:12,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:09:12,585 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 196 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:12,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 810 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:09:12,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-04-03 01:09:12,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 735. [2023-04-03 01:09:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 416 states have (on average 1.2235576923076923) internal successors, (509), 446 states have internal predecessors, (509), 166 states have call successors, (166), 149 states have call predecessors, (166), 152 states have return successors, (206), 164 states have call predecessors, (206), 162 states have call successors, (206) [2023-04-03 01:09:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 881 transitions. [2023-04-03 01:09:12,656 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 881 transitions. Word has length 78 [2023-04-03 01:09:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:12,657 INFO L495 AbstractCegarLoop]: Abstraction has 735 states and 881 transitions. [2023-04-03 01:09:12,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2023-04-03 01:09:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 881 transitions. [2023-04-03 01:09:12,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-04-03 01:09:12,661 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:12,661 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] [2023-04-03 01:09:12,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:09:12,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:12,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:12,662 INFO L85 PathProgramCache]: Analyzing trace with hash 612587383, now seen corresponding path program 1 times [2023-04-03 01:09:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659814652] [2023-04-03 01:09:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:12,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659814652] [2023-04-03 01:09:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659814652] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:12,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:12,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:09:12,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68857910] [2023-04-03 01:09:12,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:12,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:09:12,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:12,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:09:12,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:09:12,870 INFO L87 Difference]: Start difference. First operand 735 states and 881 transitions. Second operand has 9 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:09:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:13,373 INFO L93 Difference]: Finished difference Result 2333 states and 2884 transitions. [2023-04-03 01:09:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 01:09:13,373 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 81 [2023-04-03 01:09:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:13,380 INFO L225 Difference]: With dead ends: 2333 [2023-04-03 01:09:13,380 INFO L226 Difference]: Without dead ends: 1782 [2023-04-03 01:09:13,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:09:13,382 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 282 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:13,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 547 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:09:13,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2023-04-03 01:09:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1508. [2023-04-03 01:09:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 858 states have (on average 1.2284382284382285) internal successors, (1054), 914 states have internal predecessors, (1054), 333 states have call successors, (333), 298 states have call predecessors, (333), 316 states have return successors, (437), 340 states have call predecessors, (437), 329 states have call successors, (437) [2023-04-03 01:09:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1824 transitions. [2023-04-03 01:09:13,481 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1824 transitions. Word has length 81 [2023-04-03 01:09:13,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:13,481 INFO L495 AbstractCegarLoop]: Abstraction has 1508 states and 1824 transitions. [2023-04-03 01:09:13,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:09:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1824 transitions. [2023-04-03 01:09:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 01:09:13,483 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:13,483 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:13,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:09:13,484 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:13,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:13,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1271544848, now seen corresponding path program 1 times [2023-04-03 01:09:13,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:13,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115200101] [2023-04-03 01:09:13,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:13,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 01:09:13,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:13,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115200101] [2023-04-03 01:09:13,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115200101] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:09:13,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247747411] [2023-04-03 01:09:13,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:13,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:13,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:13,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:09:13,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:09:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:13,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:09:13,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:09:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:09:13,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:09:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-04-03 01:09:14,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247747411] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:09:14,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1147241215] [2023-04-03 01:09:14,296 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2023-04-03 01:09:14,296 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:09:14,298 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:09:14,302 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:09:14,302 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:09:14,443 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:09:14,471 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:09:14,643 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:09:14,716 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:09:14,719 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:09:14,722 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:09:18,399 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 51 for LOIs [2023-04-03 01:09:18,412 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:09:18,633 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:09:18,637 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:09:18,787 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2023-04-03 01:09:18,789 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:09:18,791 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 37 for LOIs [2023-04-03 01:09:18,817 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:09:18,818 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:09:18,820 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:09:18,822 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:09:18,824 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:09:18,845 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:09:18,945 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:09:19,004 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:09:19,008 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:09:19,011 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:09:23,046 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12260#(and (<= 1 |#StackHeapBarrier|) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:09:23,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:09:23,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:09:23,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 17 [2023-04-03 01:09:23,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15861378] [2023-04-03 01:09:23,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:09:23,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-03 01:09:23,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-03 01:09:23,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=4237, Unknown=0, NotChecked=0, Total=4692 [2023-04-03 01:09:23,050 INFO L87 Difference]: Start difference. First operand 1508 states and 1824 transitions. Second operand has 17 states, 12 states have (on average 9.083333333333334) internal successors, (109), 14 states have internal predecessors, (109), 7 states have call successors, (49), 6 states have call predecessors, (49), 10 states have return successors, (49), 10 states have call predecessors, (49), 7 states have call successors, (49) [2023-04-03 01:09:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:24,352 INFO L93 Difference]: Finished difference Result 3090 states and 3825 transitions. [2023-04-03 01:09:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-03 01:09:24,353 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 9.083333333333334) internal successors, (109), 14 states have internal predecessors, (109), 7 states have call successors, (49), 6 states have call predecessors, (49), 10 states have return successors, (49), 10 states have call predecessors, (49), 7 states have call successors, (49) Word has length 133 [2023-04-03 01:09:24,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:24,359 INFO L225 Difference]: With dead ends: 3090 [2023-04-03 01:09:24,359 INFO L226 Difference]: Without dead ends: 1757 [2023-04-03 01:09:24,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 344 SyntacticMatches, 7 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3630 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=741, Invalid=8001, Unknown=0, NotChecked=0, Total=8742 [2023-04-03 01:09:24,364 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 446 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:24,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1073 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 01:09:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2023-04-03 01:09:24,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1603. [2023-04-03 01:09:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 900 states have (on average 1.2055555555555555) internal successors, (1085), 974 states have internal predecessors, (1085), 367 states have call successors, (367), 338 states have call predecessors, (367), 335 states have return successors, (430), 341 states have call predecessors, (430), 363 states have call successors, (430) [2023-04-03 01:09:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 1882 transitions. [2023-04-03 01:09:24,445 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 1882 transitions. Word has length 133 [2023-04-03 01:09:24,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:24,447 INFO L495 AbstractCegarLoop]: Abstraction has 1603 states and 1882 transitions. [2023-04-03 01:09:24,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 9.083333333333334) internal successors, (109), 14 states have internal predecessors, (109), 7 states have call successors, (49), 6 states have call predecessors, (49), 10 states have return successors, (49), 10 states have call predecessors, (49), 7 states have call successors, (49) [2023-04-03 01:09:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1882 transitions. [2023-04-03 01:09:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-03 01:09:24,453 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:24,453 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:24,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:09:24,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:24,659 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:24,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:24,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1882773475, now seen corresponding path program 1 times [2023-04-03 01:09:24,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:24,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592363057] [2023-04-03 01:09:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:24,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-04-03 01:09:24,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:24,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592363057] [2023-04-03 01:09:24,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592363057] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:09:24,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338149298] [2023-04-03 01:09:24,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:24,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:24,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:24,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:09:24,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:09:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:24,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:09:24,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:09:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-03 01:09:25,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:09:25,282 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-04-03 01:09:25,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338149298] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:09:25,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [694696961] [2023-04-03 01:09:25,285 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2023-04-03 01:09:25,285 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:09:25,286 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:09:25,286 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:09:25,286 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:09:25,350 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:09:25,373 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:09:25,465 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:09:25,497 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:09:28,307 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 74 for LOIs [2023-04-03 01:09:28,316 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:09:28,513 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 36 for LOIs [2023-04-03 01:09:28,517 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 40 for LOIs [2023-04-03 01:09:28,585 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 31 for LOIs [2023-04-03 01:09:28,599 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 31 for LOIs [2023-04-03 01:09:28,601 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:09:28,694 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:09:28,763 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:09:28,766 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:09:28,769 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:09:28,770 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:09:28,772 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:09:28,930 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:09:28,933 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:09:28,935 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 37 for LOIs [2023-04-03 01:09:28,960 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:09:28,962 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:09:28,963 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:09:28,965 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:09:28,966 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:09:34,222 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '20047#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:09:34,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:09:34,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:09:34,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 13 [2023-04-03 01:09:34,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53904932] [2023-04-03 01:09:34,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:09:34,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-03 01:09:34,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:34,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-03 01:09:34,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=4835, Unknown=0, NotChecked=0, Total=5256 [2023-04-03 01:09:34,225 INFO L87 Difference]: Start difference. First operand 1603 states and 1882 transitions. Second operand has 13 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 7 states have return successors, (39), 6 states have call predecessors, (39), 3 states have call successors, (39) [2023-04-03 01:09:34,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:34,575 INFO L93 Difference]: Finished difference Result 4442 states and 5413 transitions. [2023-04-03 01:09:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:09:34,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 7 states have return successors, (39), 6 states have call predecessors, (39), 3 states have call successors, (39) Word has length 177 [2023-04-03 01:09:34,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:34,584 INFO L225 Difference]: With dead ends: 4442 [2023-04-03 01:09:34,585 INFO L226 Difference]: Without dead ends: 2882 [2023-04-03 01:09:34,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 465 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2316 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=444, Invalid=5256, Unknown=0, NotChecked=0, Total=5700 [2023-04-03 01:09:34,589 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 92 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:34,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1235 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:09:34,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2023-04-03 01:09:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2451. [2023-04-03 01:09:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 1398 states have (on average 1.200286123032904) internal successors, (1678), 1513 states have internal predecessors, (1678), 529 states have call successors, (529), 500 states have call predecessors, (529), 523 states have return successors, (729), 519 states have call predecessors, (729), 525 states have call successors, (729) [2023-04-03 01:09:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 2936 transitions. [2023-04-03 01:09:34,712 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 2936 transitions. Word has length 177 [2023-04-03 01:09:34,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:34,713 INFO L495 AbstractCegarLoop]: Abstraction has 2451 states and 2936 transitions. [2023-04-03 01:09:34,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 7 states have return successors, (39), 6 states have call predecessors, (39), 3 states have call successors, (39) [2023-04-03 01:09:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2936 transitions. [2023-04-03 01:09:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-03 01:09:34,716 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:34,717 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:34,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:09:34,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-04-03 01:09:34,926 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:34,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:34,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1235552239, now seen corresponding path program 1 times [2023-04-03 01:09:34,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:34,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061047738] [2023-04-03 01:09:34,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:34,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 50 proven. 18 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-04-03 01:09:35,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:35,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061047738] [2023-04-03 01:09:35,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061047738] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:09:35,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075360733] [2023-04-03 01:09:35,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:35,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:35,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:35,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:09:35,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:09:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:35,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-03 01:09:35,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:09:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 87 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:09:35,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:09:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-04-03 01:09:37,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075360733] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:09:37,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2009563423] [2023-04-03 01:09:37,281 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2023-04-03 01:09:37,281 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:09:37,282 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:09:37,282 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:09:37,282 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:09:37,424 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:09:37,443 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:09:37,526 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:09:37,555 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:09:40,713 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 72 for LOIs [2023-04-03 01:09:40,722 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:09:41,023 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:09:41,027 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:09:41,085 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2023-04-03 01:09:41,100 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 28 for LOIs [2023-04-03 01:09:41,102 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:09:41,205 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:09:41,268 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:09:41,272 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:09:41,275 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:09:41,276 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:09:41,278 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:09:41,487 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:09:41,490 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:09:41,493 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 37 for LOIs [2023-04-03 01:09:41,517 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:09:41,519 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:09:41,521 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:09:41,523 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:09:41,524 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:09:47,848 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '30918#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:09:47,849 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:09:47,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:09:47,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 15] total 35 [2023-04-03 01:09:47,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013773110] [2023-04-03 01:09:47,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:09:47,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-04-03 01:09:47,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:47,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-04-03 01:09:47,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=656, Invalid=8274, Unknown=0, NotChecked=0, Total=8930 [2023-04-03 01:09:47,852 INFO L87 Difference]: Start difference. First operand 2451 states and 2936 transitions. Second operand has 35 states, 27 states have (on average 5.074074074074074) internal successors, (137), 27 states have internal predecessors, (137), 13 states have call successors, (55), 5 states have call predecessors, (55), 19 states have return successors, (59), 22 states have call predecessors, (59), 12 states have call successors, (59) [2023-04-03 01:09:49,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:49,796 INFO L93 Difference]: Finished difference Result 4709 states and 5796 transitions. [2023-04-03 01:09:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-03 01:09:49,798 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 27 states have (on average 5.074074074074074) internal successors, (137), 27 states have internal predecessors, (137), 13 states have call successors, (55), 5 states have call predecessors, (55), 19 states have return successors, (59), 22 states have call predecessors, (59), 12 states have call successors, (59) Word has length 182 [2023-04-03 01:09:49,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:49,800 INFO L225 Difference]: With dead ends: 4709 [2023-04-03 01:09:49,800 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:09:49,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 486 SyntacticMatches, 8 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7028 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1356, Invalid=16200, Unknown=0, NotChecked=0, Total=17556 [2023-04-03 01:09:49,811 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 1152 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 2466 mSolverCounterSat, 1119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 3585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1119 IncrementalHoareTripleChecker+Valid, 2466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:49,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 697 Invalid, 3585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1119 Valid, 2466 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 01:09:49,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:09:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:09:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:09:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:09:49,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2023-04-03 01:09:49,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:49,813 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:09:49,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 27 states have (on average 5.074074074074074) internal successors, (137), 27 states have internal predecessors, (137), 13 states have call successors, (55), 5 states have call predecessors, (55), 19 states have return successors, (59), 22 states have call predecessors, (59), 12 states have call successors, (59) [2023-04-03 01:09:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:09:49,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:09:49,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:09:49,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:09:50,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:50,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 610) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point L600-2(lines 600 621) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point L622(lines 599 623) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 575 630) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 575 630) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 667) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 631 690) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point L657-2(lines 657 682) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point L683(lines 656 684) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 631 690) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 631 690) no Hoare annotation was computed. [2023-04-03 01:09:56,622 INFO L899 garLoopResultBuilder]: For program point L676(line 676) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point L676-1(line 676) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 87 95) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 87 95) the Hoare annotation is: true [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 382 404) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L895 garLoopResultBuilder]: At program point L394(line 394) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,623 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 382 404) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,623 INFO L895 garLoopResultBuilder]: At program point L394-1(line 394) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 399) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 392 399) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point L390(line 390) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,623 INFO L895 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,623 INFO L895 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point L353(line 353) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point L352(line 352) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 338 361) no Hoare annotation was computed. [2023-04-03 01:09:56,623 INFO L899 garLoopResultBuilder]: For program point L351(line 351) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L350(line 350) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L349(line 349) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L348(line 348) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 338 361) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L347(line 347) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L346(line 346) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L345(line 345) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L344(line 344) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L343(line 343) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 338 361) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L356(line 356) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L355(line 355) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 289 303) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 289 303) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse4 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or .cse0 .cse4 (= 1 ~systemActive~0) .cse2 (not (= |old(~systemActive~0)| 1))) (or .cse0 .cse1 .cse4 .cse2 .cse3))) [2023-04-03 01:09:56,624 INFO L895 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (or .cse4 (not (= 2 ~waterLevel~0))) (or .cse0 .cse5 (= 1 ~systemActive~0) .cse2 (not (= |old(~systemActive~0)| 1))) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse4 (< 1 ~waterLevel~0)))) [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 73 79) no Hoare annotation was computed. [2023-04-03 01:09:56,624 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 73 79) the Hoare annotation is: true [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 842 887) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 842 887) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 968 981) the Hoare annotation is: true [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 968 981) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 173 197) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:09:56,625 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 173 197) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L895 garLoopResultBuilder]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point L179-1(line 179) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 197) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 139 145) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 139 145) the Hoare annotation is: true [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point L417(lines 416 463) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 459) no Hoare annotation was computed. [2023-04-03 01:09:56,625 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 406 471) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse1 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse4 .cse1 (<= ~waterLevel~0 1)))) [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 442) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 436 442) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point L461(lines 416 463) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse5 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse4))) [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 1))) (or (not .cse0) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse5 .cse6 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse0 (= ~waterLevel~0 1) .cse3 .cse4) (and .cse6 .cse1 .cse0 .cse3 .cse4) (and .cse5 .cse1 .cse2))) [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 406 471) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point L464(lines 415 465) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse1 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse4 .cse1 (<= ~waterLevel~0 1)))) [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point L452-1(lines 446 459) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3))) [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 406 471) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 936 958) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 936 958) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 198 205) no Hoare annotation was computed. [2023-04-03 01:09:56,626 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 198 205) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-04-03 01:09:56,626 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 270 288) no Hoare annotation was computed. [2023-04-03 01:09:56,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 288) the Hoare annotation is: true [2023-04-03 01:09:56,634 INFO L902 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: true [2023-04-03 01:09:56,634 INFO L899 garLoopResultBuilder]: For program point L277-1(line 277) no Hoare annotation was computed. [2023-04-03 01:09:56,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 959 967) the Hoare annotation is: true [2023-04-03 01:09:56,634 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 959 967) no Hoare annotation was computed. [2023-04-03 01:09:56,635 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 927 935) the Hoare annotation is: true [2023-04-03 01:09:56,635 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 927 935) no Hoare annotation was computed. [2023-04-03 01:09:56,636 INFO L895 garLoopResultBuilder]: At program point L128(line 128) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse1 (and (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse2)) .cse3 .cse4)) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse2 (not .cse1)) (< 2 |old(~waterLevel~0)|)) (or .cse0 (and (= ~waterLevel~0 1) .cse3 .cse4) (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-04-03 01:09:56,636 INFO L895 garLoopResultBuilder]: At program point L126(lines 126 132) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse4 (not .cse9)) (.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse2 (= 2 ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) .cse3 (and .cse2 .cse4 .cse5))) (let ((.cse6 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse10)))) (or (and .cse1 .cse6 .cse7 .cse4) .cse8 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse9 (< 2 |old(~waterLevel~0)|) (and .cse6 .cse7 .cse5))) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse11 .cse7 .cse4) .cse8 (and .cse11 .cse7 .cse5) .cse3 .cse9)) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse1 .cse10))))) [2023-04-03 01:09:56,636 INFO L895 garLoopResultBuilder]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 (and (= 2 ~waterLevel~0) .cse2 .cse3)) (or (not (= |old(~pumpRunning~0)| 0)) (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3)))) [2023-04-03 01:09:56,636 INFO L899 garLoopResultBuilder]: For program point L119(lines 115 137) no Hoare annotation was computed. [2023-04-03 01:09:56,636 INFO L899 garLoopResultBuilder]: For program point L117(lines 115 137) no Hoare annotation was computed. [2023-04-03 01:09:56,636 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 112 138) no Hoare annotation was computed. [2023-04-03 01:09:56,636 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 112 138) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4 (and (= 2 ~waterLevel~0) .cse5)) (or .cse3 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse4 .cse2 (and .cse6 .cse1 .cse5)) (or .cse0 (and (= ~pumpRunning~0 0) .cse6) .cse2))) [2023-04-03 01:09:56,636 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 112 138) no Hoare annotation was computed. [2023-04-03 01:09:56,636 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2023-04-03 01:09:56,636 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 306 335) no Hoare annotation was computed. [2023-04-03 01:09:56,636 INFO L902 garLoopResultBuilder]: At program point L320-1(lines 320 324) the Hoare annotation is: true [2023-04-03 01:09:56,636 INFO L902 garLoopResultBuilder]: At program point L316-2(lines 316 330) the Hoare annotation is: true [2023-04-03 01:09:56,636 INFO L902 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2023-04-03 01:09:56,636 INFO L899 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2023-04-03 01:09:56,637 INFO L902 garLoopResultBuilder]: At program point L331(lines 306 335) the Hoare annotation is: true [2023-04-03 01:09:56,637 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 306 335) the Hoare annotation is: true [2023-04-03 01:09:56,637 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 891 902) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 891 902) the Hoare annotation is: (let ((.cse0 (< ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or (= 2 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2))) [2023-04-03 01:09:56,638 INFO L895 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) .cse3)) (or .cse0 .cse3 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-04-03 01:09:56,638 INFO L895 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 2 ~waterLevel~0)) .cse0))) [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 147 171) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L895 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 147 171) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:09:56,638 INFO L895 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 147 171) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2023-04-03 01:09:56,638 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 903 914) the Hoare annotation is: (let ((.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= 0 ~systemActive~0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~pumpRunning~0 1))) (.cse4 (and (or .cse8 .cse7) (or .cse7 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|))))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2 .cse4) (or .cse5 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse6 .cse7) (or .cse5 .cse0 .cse6) (or .cse8 .cse3 .cse4 (= ~waterLevel~0 1))))) [2023-04-03 01:09:56,638 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 01:09:56,638 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 80 86) the Hoare annotation is: true [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 80 86) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 475 482) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 475 482) the Hoare annotation is: true [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 483 492) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 483 492) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (< |old(~switchedOnBeforeTS~0)| 1) .cse1) (or .cse0 (not (= ~pumpRunning~0 1)) (= 0 ~systemActive~0) .cse1 (< |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L895 garLoopResultBuilder]: At program point L508(line 508) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= 2 ~waterLevel~0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 .cse2) (or .cse3 .cse4) (or .cse3 .cse0) (or .cse4 .cse1 .cse2))) [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 515) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= __utac_acc__Specification5_spec__3_~tmp~5 ~waterLevel~0)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse4 (not (= ~pumpRunning~0 1))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 .cse2 .cse4 .cse5) (or .cse3 .cse4 .cse5))) [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 518) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point L501-1(lines 493 521) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L902 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: true [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 493 521) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 493 521) the Hoare annotation is: true [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2023-04-03 01:09:56,639 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 233) the Hoare annotation is: true [2023-04-03 01:09:56,639 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 234 269) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 234 269) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 529 574) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 529 574) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 371 381) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 371 381) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,640 INFO L895 garLoopResultBuilder]: At program point L376(line 376) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 371 381) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L902 garLoopResultBuilder]: At program point L219(line 219) the Hoare annotation is: true [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 214 224) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point L219-1(line 219) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 214 224) the Hoare annotation is: true [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 206 213) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 206 213) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1))) (and (or .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse0 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3))) [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 796 841) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 796 841) no Hoare annotation was computed. [2023-04-03 01:09:56,640 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point L758(line 758) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point L758-1(line 758) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 721) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 693 795) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 693 795) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point L742-2(lines 742 762) no Hoare annotation was computed. [2023-04-03 01:09:56,641 INFO L899 garLoopResultBuilder]: For program point L763(lines 741 764) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 738) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 693 795) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point L743(lines 742 762) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point L774(line 774) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 780) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 915 926) the Hoare annotation is: true [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 362 368) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 362 368) the Hoare annotation is: true [2023-04-03 01:09:56,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:56,642 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:09:56,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:09:56,643 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:09:56,646 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:56,647 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:09:56,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:09:56 BoogieIcfgContainer [2023-04-03 01:09:56,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:09:56,656 INFO L158 Benchmark]: Toolchain (without parser) took 47603.14ms. Allocated memory was 237.0MB in the beginning and 1.1GB in the end (delta: 820.0MB). Free memory was 186.9MB in the beginning and 449.0MB in the end (delta: -262.0MB). Peak memory consumption was 636.1MB. Max. memory is 8.0GB. [2023-04-03 01:09:56,656 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory was 165.4MB in the beginning and 165.4MB in the end (delta: 14.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:09:56,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.40ms. Allocated memory is still 237.0MB. Free memory was 186.9MB in the beginning and 168.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:09:56,656 INFO L158 Benchmark]: Boogie Preprocessor took 56.80ms. Allocated memory is still 237.0MB. Free memory was 168.1MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:09:56,656 INFO L158 Benchmark]: RCFGBuilder took 841.63ms. Allocated memory is still 237.0MB. Free memory was 164.9MB in the beginning and 172.8MB in the end (delta: -7.9MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-04-03 01:09:56,657 INFO L158 Benchmark]: TraceAbstraction took 46398.80ms. Allocated memory was 237.0MB in the beginning and 1.1GB in the end (delta: 820.0MB). Free memory was 172.3MB in the beginning and 449.0MB in the end (delta: -276.7MB). Peak memory consumption was 620.4MB. Max. memory is 8.0GB. [2023-04-03 01:09:56,657 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 197.1MB. Free memory was 165.4MB in the beginning and 165.4MB in the end (delta: 14.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 302.40ms. Allocated memory is still 237.0MB. Free memory was 186.9MB in the beginning and 168.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.80ms. Allocated memory is still 237.0MB. Free memory was 168.1MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 841.63ms. Allocated memory is still 237.0MB. Free memory was 164.9MB in the beginning and 172.8MB in the end (delta: -7.9MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 46398.80ms. Allocated memory was 237.0MB in the beginning and 1.1GB in the end (delta: 820.0MB). Free memory was 172.3MB in the beginning and 449.0MB in the end (delta: -276.7MB). Peak memory consumption was 620.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 193 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.3s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2587 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2529 mSDsluCounter, 5520 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4396 mSDsCounter, 1759 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6765 IncrementalHoareTripleChecker+Invalid, 8524 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1759 mSolverCounterUnsat, 1124 mSDtfsCounter, 6765 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1697 GetRequests, 1327 SyntacticMatches, 21 SemanticMatches, 349 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13067 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2451occurred in iteration=8, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 939 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4095 PreInvPairs, 4494 NumberOfFragments, 1846 HoareAnnotationTreeSize, 4095 FomulaSimplifications, 48963 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 41320 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1842 ConstructedInterpolants, 0 QuantifiedInterpolants, 3324 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1807 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 780/858 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: 416]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (((2 == waterLevel && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || ((((splverifierCounter == 0 && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) && pumpRunning == 1)) || ((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:09:56,682 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...