/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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:10:12,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:10:12,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:10:12,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:10:12,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:10:12,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:10:12,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:10:12,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:10:12,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:10:12,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:10:12,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:10:12,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:10:12,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:10:12,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:10:12,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:10:12,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:10:12,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:10:12,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:10:12,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:10:12,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:10:12,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:10:12,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:10:12,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:10:12,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:10:12,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:10:12,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:10:12,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:10:12,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:10:12,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:10:12,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:10:12,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:10:12,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:10:12,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:10:12,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:10:12,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:10:12,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:10:12,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:10:12,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:10:12,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:10:12,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:10:12,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:10:12,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:10:12,290 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:10:12,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:10:12,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:10:12,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:10:12,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:10:12,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:10:12,292 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:10:12,292 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:10:12,292 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:10:12,292 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:10:12,293 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:10:12,293 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:10:12,293 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:10:12,293 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:10:12,293 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:10:12,293 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:10:12,293 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:10:12,294 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:10:12,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:10:12,294 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:10:12,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:10:12,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:10:12,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:10:12,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:10:12,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:10:12,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:10:12,295 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:10:12,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:10:12,295 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:10:12,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:10:12,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:10:12,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:10:12,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:12,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:10:12,296 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:10:12,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:10:12,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:10:12,296 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:10:12,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:10:12,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:10:12,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:10:12,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:10:12,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:10:12,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:10:12,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:10:12,520 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:10:12,520 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:10:12,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product56.cil.c [2023-04-03 01:10:13,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:10:13,691 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:10:13,691 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product56.cil.c [2023-04-03 01:10:13,710 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95ebd077/381b1ea9fd4e4dccb2e78573ae43ad88/FLAG8f9b2096a [2023-04-03 01:10:13,720 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95ebd077/381b1ea9fd4e4dccb2e78573ae43ad88 [2023-04-03 01:10:13,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:10:13,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:10:13,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:13,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:10:13,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:10:13,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:13" (1/1) ... [2023-04-03 01:10:13,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725ee743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:13, skipping insertion in model container [2023-04-03 01:10:13,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:13" (1/1) ... [2023-04-03 01:10:13,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:10:13,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:10:13,884 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_product56.cil.c[8146,8159] [2023-04-03 01:10:13,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:13,934 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:10:13,969 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_product56.cil.c[8146,8159] [2023-04-03 01:10:14,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:14,046 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:10:14,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14 WrapperNode [2023-04-03 01:10:14,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:14,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:10:14,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:10:14,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:10:14,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,101 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:10:14,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:10:14,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:10:14,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:10:14,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (1/1) ... [2023-04-03 01:10:14,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:14,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:10:14,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:10:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:10:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:10:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:10:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:10:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:10:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:10:14,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:10:14,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:10:14,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:10:14,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:10:14,167 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:10:14,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:10:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:10:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:10:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:10:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:10:14,321 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:10:14,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:10:14,766 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:10:14,871 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:10:14,871 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:10:14,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:14 BoogieIcfgContainer [2023-04-03 01:10:14,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:10:14,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:10:14,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:10:14,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:10:14,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:10:13" (1/3) ... [2023-04-03 01:10:14,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4afbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:14, skipping insertion in model container [2023-04-03 01:10:14,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:14" (2/3) ... [2023-04-03 01:10:14,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4afbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:14, skipping insertion in model container [2023-04-03 01:10:14,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:14" (3/3) ... [2023-04-03 01:10:14,883 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2023-04-03 01:10:14,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:10:14,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:10:14,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:10:14,954 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;@4be82682, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:10:14,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:10:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 96 states have internal predecessors, (101), 56 states have call successors, (56), 35 states have call predecessors, (56), 35 states have return successors, (56), 49 states have call predecessors, (56), 56 states have call successors, (56) [2023-04-03 01:10:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:10:14,968 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:14,969 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:14,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:14,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:14,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2072526090, now seen corresponding path program 1 times [2023-04-03 01:10:14,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:14,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158519021] [2023-04-03 01:10:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:14,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:15,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:15,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158519021] [2023-04-03 01:10:15,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158519021] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:15,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:15,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:10:15,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031211116] [2023-04-03 01:10:15,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:15,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:10:15,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:15,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:10:15,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:15,223 INFO L87 Difference]: Start difference. First operand has 173 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 96 states have internal predecessors, (101), 56 states have call successors, (56), 35 states have call predecessors, (56), 35 states have return successors, (56), 49 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:15,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:15,305 INFO L93 Difference]: Finished difference Result 276 states and 337 transitions. [2023-04-03 01:10:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:10:15,307 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:10:15,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:15,314 INFO L225 Difference]: With dead ends: 276 [2023-04-03 01:10:15,314 INFO L226 Difference]: Without dead ends: 140 [2023-04-03 01:10:15,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:15,319 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:15,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-04-03 01:10:15,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-04-03 01:10:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 84 states have internal predecessors, (87), 41 states have call successors, (41), 33 states have call predecessors, (41), 28 states have return successors, (36), 29 states have call predecessors, (36), 36 states have call successors, (36) [2023-04-03 01:10:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2023-04-03 01:10:15,372 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 52 [2023-04-03 01:10:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:15,372 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2023-04-03 01:10:15,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:15,373 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2023-04-03 01:10:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:10:15,379 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:15,379 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:15,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:10:15,379 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:15,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:15,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2042393052, now seen corresponding path program 1 times [2023-04-03 01:10:15,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:15,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999096393] [2023-04-03 01:10:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:15,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:15,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999096393] [2023-04-03 01:10:15,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999096393] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:15,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:15,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:10:15,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29748068] [2023-04-03 01:10:15,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:15,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:10:15,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:15,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:10:15,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:15,483 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:15,561 INFO L93 Difference]: Finished difference Result 224 states and 262 transitions. [2023-04-03 01:10:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:10:15,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:10:15,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:15,565 INFO L225 Difference]: With dead ends: 224 [2023-04-03 01:10:15,565 INFO L226 Difference]: Without dead ends: 132 [2023-04-03 01:10:15,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:15,568 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 11 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:15,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 249 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-04-03 01:10:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-04-03 01:10:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 79 states have internal predecessors, (81), 38 states have call successors, (38), 32 states have call predecessors, (38), 28 states have return successors, (34), 27 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-03 01:10:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2023-04-03 01:10:15,577 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 53 [2023-04-03 01:10:15,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:15,577 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2023-04-03 01:10:15,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2023-04-03 01:10:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-03 01:10:15,579 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:15,579 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] [2023-04-03 01:10:15,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:10:15,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:15,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:15,579 INFO L85 PathProgramCache]: Analyzing trace with hash 119629501, now seen corresponding path program 1 times [2023-04-03 01:10:15,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:15,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634922035] [2023-04-03 01:10:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:15,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:15,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:15,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634922035] [2023-04-03 01:10:15,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634922035] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:15,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:15,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:15,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729076082] [2023-04-03 01:10:15,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:15,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:15,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:15,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:15,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:15,791 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:16,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:16,118 INFO L93 Difference]: Finished difference Result 396 states and 476 transitions. [2023-04-03 01:10:16,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:10:16,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 57 [2023-04-03 01:10:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:16,125 INFO L225 Difference]: With dead ends: 396 [2023-04-03 01:10:16,125 INFO L226 Difference]: Without dead ends: 289 [2023-04-03 01:10:16,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:10:16,132 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 253 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:16,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 600 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:16,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-04-03 01:10:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 277. [2023-04-03 01:10:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 143 states have (on average 1.2797202797202798) internal successors, (183), 170 states have internal predecessors, (183), 76 states have call successors, (76), 63 states have call predecessors, (76), 57 states have return successors, (73), 56 states have call predecessors, (73), 72 states have call successors, (73) [2023-04-03 01:10:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 332 transitions. [2023-04-03 01:10:16,167 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 332 transitions. Word has length 57 [2023-04-03 01:10:16,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:16,167 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 332 transitions. [2023-04-03 01:10:16,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 332 transitions. [2023-04-03 01:10:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-03 01:10:16,169 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:16,169 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 01:10:16,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:10:16,170 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:16,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1740420934, now seen corresponding path program 1 times [2023-04-03 01:10:16,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:16,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114742391] [2023-04-03 01:10:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:10:16,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:16,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114742391] [2023-04-03 01:10:16,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114742391] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:16,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:16,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:10:16,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397448696] [2023-04-03 01:10:16,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:16,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:10:16,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:16,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:10:16,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:10:16,272 INFO L87 Difference]: Start difference. First operand 277 states and 332 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:10:16,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:16,435 INFO L93 Difference]: Finished difference Result 643 states and 811 transitions. [2023-04-03 01:10:16,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:10:16,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-04-03 01:10:16,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:16,438 INFO L225 Difference]: With dead ends: 643 [2023-04-03 01:10:16,438 INFO L226 Difference]: Without dead ends: 391 [2023-04-03 01:10:16,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:16,440 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 97 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:16,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 576 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:10:16,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2023-04-03 01:10:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 377. [2023-04-03 01:10:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 205 states have (on average 1.224390243902439) internal successors, (251), 227 states have internal predecessors, (251), 93 states have call successors, (93), 84 states have call predecessors, (93), 78 states have return successors, (107), 80 states have call predecessors, (107), 89 states have call successors, (107) [2023-04-03 01:10:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 451 transitions. [2023-04-03 01:10:16,465 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 451 transitions. Word has length 61 [2023-04-03 01:10:16,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:16,465 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 451 transitions. [2023-04-03 01:10:16,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:10:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 451 transitions. [2023-04-03 01:10:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-03 01:10:16,467 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:16,467 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:16,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:10:16,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:16,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:16,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1595362859, now seen corresponding path program 1 times [2023-04-03 01:10:16,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:16,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214962235] [2023-04-03 01:10:16,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:16,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:16,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:16,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214962235] [2023-04-03 01:10:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214962235] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:16,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:16,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:10:16,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136037366] [2023-04-03 01:10:16,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:16,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:10:16,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:16,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:10:16,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:10:16,827 INFO L87 Difference]: Start difference. First operand 377 states and 451 transitions. Second operand has 12 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:10:17,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:17,258 INFO L93 Difference]: Finished difference Result 1176 states and 1420 transitions. [2023-04-03 01:10:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:10:17,258 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) Word has length 84 [2023-04-03 01:10:17,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:17,263 INFO L225 Difference]: With dead ends: 1176 [2023-04-03 01:10:17,263 INFO L226 Difference]: Without dead ends: 824 [2023-04-03 01:10:17,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:10:17,265 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 161 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:17,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1246 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2023-04-03 01:10:17,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 806. [2023-04-03 01:10:17,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 453 states have (on average 1.2141280353200883) internal successors, (550), 492 states have internal predecessors, (550), 185 states have call successors, (185), 168 states have call predecessors, (185), 167 states have return successors, (224), 179 states have call predecessors, (224), 181 states have call successors, (224) [2023-04-03 01:10:17,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 959 transitions. [2023-04-03 01:10:17,324 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 959 transitions. Word has length 84 [2023-04-03 01:10:17,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:17,325 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 959 transitions. [2023-04-03 01:10:17,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:10:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 959 transitions. [2023-04-03 01:10:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-03 01:10:17,328 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:17,328 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:17,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:10:17,328 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:17,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash -2106400586, now seen corresponding path program 1 times [2023-04-03 01:10:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:17,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139939257] [2023-04-03 01:10:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:17,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:17,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:17,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139939257] [2023-04-03 01:10:17,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139939257] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:17,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:17,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:10:17,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575713654] [2023-04-03 01:10:17,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:17,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:10:17,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:17,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:10:17,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:17,610 INFO L87 Difference]: Start difference. First operand 806 states and 959 transitions. Second operand has 9 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:10:18,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:18,362 INFO L93 Difference]: Finished difference Result 2582 states and 3150 transitions. [2023-04-03 01:10:18,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:18,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 87 [2023-04-03 01:10:18,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:18,372 INFO L225 Difference]: With dead ends: 2582 [2023-04-03 01:10:18,372 INFO L226 Difference]: Without dead ends: 1964 [2023-04-03 01:10:18,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:10:18,376 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 329 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:18,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 337 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 01:10:18,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1964 states. [2023-04-03 01:10:18,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1964 to 1670. [2023-04-03 01:10:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 939 states have (on average 1.2172523961661341) internal successors, (1143), 1015 states have internal predecessors, (1143), 377 states have call successors, (377), 338 states have call predecessors, (377), 353 states have return successors, (488), 382 states have call predecessors, (488), 373 states have call successors, (488) [2023-04-03 01:10:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2008 transitions. [2023-04-03 01:10:18,502 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2008 transitions. Word has length 87 [2023-04-03 01:10:18,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:18,503 INFO L495 AbstractCegarLoop]: Abstraction has 1670 states and 2008 transitions. [2023-04-03 01:10:18,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:10:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2008 transitions. [2023-04-03 01:10:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-03 01:10:18,510 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:18,511 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:18,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:10:18,511 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:18,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:18,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1414366224, now seen corresponding path program 1 times [2023-04-03 01:10:18,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:18,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106647790] [2023-04-03 01:10:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:18,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 01:10:18,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:18,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106647790] [2023-04-03 01:10:18,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106647790] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:18,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925804610] [2023-04-03 01:10:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:18,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:18,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:18,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:18,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:10:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:18,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:10:18,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:10:19,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-03 01:10:19,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925804610] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:19,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [252868614] [2023-04-03 01:10:19,432 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2023-04-03 01:10:19,432 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:19,434 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:19,438 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:19,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:19,584 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:19,614 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:19,802 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:19,849 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:22,546 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 39 for LOIs [2023-04-03 01:10:22,554 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:10:22,712 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:22,717 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 33 for LOIs [2023-04-03 01:10:22,838 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 39 for LOIs [2023-04-03 01:10:22,859 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:22,957 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:23,018 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:23,021 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:23,025 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 33 for LOIs [2023-04-03 01:10:23,042 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 33 for LOIs [2023-04-03 01:10:23,045 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:23,046 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:23,049 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:10:23,214 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2023-04-03 01:10:23,216 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:10:23,217 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:10:23,236 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:23,238 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:23,240 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:23,242 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:23,243 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:27,526 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13672#(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 01:10:27,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:27,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:27,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 17 [2023-04-03 01:10:27,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388366295] [2023-04-03 01:10:27,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:27,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-03 01:10:27,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:27,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-03 01:10:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=535, Invalid=5165, Unknown=0, NotChecked=0, Total=5700 [2023-04-03 01:10:27,529 INFO L87 Difference]: Start difference. First operand 1670 states and 2008 transitions. Second operand has 17 states, 12 states have (on average 11.333333333333334) internal successors, (136), 14 states have internal predecessors, (136), 8 states have call successors, (58), 6 states have call predecessors, (58), 10 states have return successors, (59), 11 states have call predecessors, (59), 8 states have call successors, (59) [2023-04-03 01:10:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:29,037 INFO L93 Difference]: Finished difference Result 3505 states and 4277 transitions. [2023-04-03 01:10:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-03 01:10:29,038 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 11.333333333333334) internal successors, (136), 14 states have internal predecessors, (136), 8 states have call successors, (58), 6 states have call predecessors, (58), 10 states have return successors, (59), 11 states have call predecessors, (59), 8 states have call successors, (59) Word has length 154 [2023-04-03 01:10:29,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:29,045 INFO L225 Difference]: With dead ends: 3505 [2023-04-03 01:10:29,045 INFO L226 Difference]: Without dead ends: 2023 [2023-04-03 01:10:29,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 396 SyntacticMatches, 13 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4658 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=826, Invalid=9274, Unknown=0, NotChecked=0, Total=10100 [2023-04-03 01:10:29,051 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 480 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:29,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1228 Invalid, 2702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 01:10:29,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2023-04-03 01:10:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 1873. [2023-04-03 01:10:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1873 states, 1044 states have (on average 1.1867816091954022) internal successors, (1239), 1138 states have internal predecessors, (1239), 426 states have call successors, (426), 391 states have call predecessors, (426), 402 states have return successors, (507), 413 states have call predecessors, (507), 422 states have call successors, (507) [2023-04-03 01:10:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 2172 transitions. [2023-04-03 01:10:29,147 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 2172 transitions. Word has length 154 [2023-04-03 01:10:29,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:29,148 INFO L495 AbstractCegarLoop]: Abstraction has 1873 states and 2172 transitions. [2023-04-03 01:10:29,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 11.333333333333334) internal successors, (136), 14 states have internal predecessors, (136), 8 states have call successors, (58), 6 states have call predecessors, (58), 10 states have return successors, (59), 11 states have call predecessors, (59), 8 states have call successors, (59) [2023-04-03 01:10:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2172 transitions. [2023-04-03 01:10:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-03 01:10:29,152 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:29,152 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:29,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:10:29,357 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 01:10:29,360 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:29,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:29,360 INFO L85 PathProgramCache]: Analyzing trace with hash 975647447, now seen corresponding path program 1 times [2023-04-03 01:10:29,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:29,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918717832] [2023-04-03 01:10:29,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:29,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-03 01:10:29,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:29,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918717832] [2023-04-03 01:10:29,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918717832] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:29,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254537772] [2023-04-03 01:10:29,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:29,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:29,526 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 01:10:29,531 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 01:10:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:29,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:10:29,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-03 01:10:29,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-04-03 01:10:30,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254537772] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:30,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [283293199] [2023-04-03 01:10:30,058 INFO L159 IcfgInterpreter]: Started Sifa with 105 locations of interest [2023-04-03 01:10:30,059 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:30,059 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:30,059 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:30,059 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:30,158 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:30,174 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:30,249 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:30,278 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:32,310 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 45 for LOIs [2023-04-03 01:10:32,315 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:10:32,452 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 36 for LOIs [2023-04-03 01:10:32,455 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 33 for LOIs [2023-04-03 01:10:32,489 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:32,510 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:32,608 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:32,670 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:32,673 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:32,676 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 33 for LOIs [2023-04-03 01:10:32,692 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 33 for LOIs [2023-04-03 01:10:32,695 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:32,697 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:32,698 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 32 for LOIs [2023-04-03 01:10:32,895 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:10:32,898 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 32 for LOIs [2023-04-03 01:10:32,900 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:10:32,918 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:32,920 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:32,921 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:32,923 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:32,924 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:37,754 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '22533#(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 01:10:37,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:37,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:37,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 13 [2023-04-03 01:10:37,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526203522] [2023-04-03 01:10:37,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:37,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-03 01:10:37,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:37,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-03 01:10:37,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=4842, Unknown=0, NotChecked=0, Total=5256 [2023-04-03 01:10:37,758 INFO L87 Difference]: Start difference. First operand 1873 states and 2172 transitions. Second operand has 13 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 01:10:38,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:38,103 INFO L93 Difference]: Finished difference Result 5172 states and 6197 transitions. [2023-04-03 01:10:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:10:38,104 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 3 states have call successors, (41) Word has length 190 [2023-04-03 01:10:38,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:38,116 INFO L225 Difference]: With dead ends: 5172 [2023-04-03 01:10:38,116 INFO L226 Difference]: Without dead ends: 3345 [2023-04-03 01:10:38,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 501 SyntacticMatches, 8 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2408 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=437, Invalid=5263, Unknown=0, NotChecked=0, Total=5700 [2023-04-03 01:10:38,122 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 51 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:38,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1275 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:38,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2023-04-03 01:10:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 2918. [2023-04-03 01:10:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 1649 states have (on average 1.1819284414796847) internal successors, (1949), 1797 states have internal predecessors, (1949), 631 states have call successors, (631), 596 states have call predecessors, (631), 637 states have return successors, (865), 638 states have call predecessors, (865), 627 states have call successors, (865) [2023-04-03 01:10:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 3445 transitions. [2023-04-03 01:10:38,264 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 3445 transitions. Word has length 190 [2023-04-03 01:10:38,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:38,264 INFO L495 AbstractCegarLoop]: Abstraction has 2918 states and 3445 transitions. [2023-04-03 01:10:38,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 01:10:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3445 transitions. [2023-04-03 01:10:38,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-04-03 01:10:38,268 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:38,268 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:38,276 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 01:10:38,473 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 01:10:38,474 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:38,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:38,474 INFO L85 PathProgramCache]: Analyzing trace with hash 639841201, now seen corresponding path program 1 times [2023-04-03 01:10:38,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:38,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703513703] [2023-04-03 01:10:38,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:38,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 54 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 01:10:38,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:38,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703513703] [2023-04-03 01:10:38,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703513703] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:38,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535608313] [2023-04-03 01:10:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:38,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:38,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:38,945 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 01:10:38,947 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 01:10:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:39,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-03 01:10:39,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 94 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:10:39,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 67 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 01:10:40,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535608313] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:40,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [528582597] [2023-04-03 01:10:40,950 INFO L159 IcfgInterpreter]: Started Sifa with 105 locations of interest [2023-04-03 01:10:40,950 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:40,950 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:40,950 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:40,950 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:41,015 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:41,032 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:41,106 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:41,134 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:43,074 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 37 for LOIs [2023-04-03 01:10:43,078 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:10:43,282 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 36 for LOIs [2023-04-03 01:10:43,285 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 42 for LOIs [2023-04-03 01:10:43,326 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:43,340 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:43,448 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:43,504 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:43,507 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:43,510 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 33 for LOIs [2023-04-03 01:10:43,523 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 33 for LOIs [2023-04-03 01:10:43,526 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:43,527 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:43,528 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 32 for LOIs [2023-04-03 01:10:43,729 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:10:43,732 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 32 for LOIs [2023-04-03 01:10:43,734 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:10:43,751 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:43,752 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:43,754 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:43,755 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:43,757 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:49,497 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '35186#(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 01:10:49,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:49,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:49,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-04-03 01:10:49,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395224147] [2023-04-03 01:10:49,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:49,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-03 01:10:49,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:49,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-03 01:10:49,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=625, Invalid=8305, Unknown=0, NotChecked=0, Total=8930 [2023-04-03 01:10:49,504 INFO L87 Difference]: Start difference. First operand 2918 states and 3445 transitions. Second operand has 36 states, 27 states have (on average 5.481481481481482) internal successors, (148), 27 states have internal predecessors, (148), 12 states have call successors, (56), 5 states have call predecessors, (56), 18 states have return successors, (62), 21 states have call predecessors, (62), 11 states have call successors, (62) [2023-04-03 01:10:51,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:51,450 INFO L93 Difference]: Finished difference Result 5498 states and 6695 transitions. [2023-04-03 01:10:51,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-03 01:10:51,450 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 27 states have (on average 5.481481481481482) internal successors, (148), 27 states have internal predecessors, (148), 12 states have call successors, (56), 5 states have call predecessors, (56), 18 states have return successors, (62), 21 states have call predecessors, (62), 11 states have call successors, (62) Word has length 195 [2023-04-03 01:10:51,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:51,451 INFO L225 Difference]: With dead ends: 5498 [2023-04-03 01:10:51,451 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:10:51,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 514 SyntacticMatches, 14 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7321 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1215, Invalid=16077, Unknown=0, NotChecked=0, Total=17292 [2023-04-03 01:10:51,465 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 602 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 2965 mSolverCounterSat, 537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 3502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 2965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:51,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 867 Invalid, 3502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 2965 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 01:10:51,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:10:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:10:51,466 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 01:10:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:10:51,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2023-04-03 01:10:51,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:51,467 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:10:51,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 27 states have (on average 5.481481481481482) internal successors, (148), 27 states have internal predecessors, (148), 12 states have call successors, (56), 5 states have call predecessors, (56), 18 states have return successors, (62), 21 states have call predecessors, (62), 11 states have call successors, (62) [2023-04-03 01:10:51,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:10:51,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:10:51,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:10:51,477 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 01:10:51,675 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 01:10:51,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 672) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point L662-2(lines 662 683) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point L684(lines 661 685) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 637 692) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 637 692) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point L738-1(line 738) no Hoare annotation was computed. [2023-04-03 01:10:59,480 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 693 752) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 729) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point L719-2(lines 719 744) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 693 752) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 693 752) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point L745(lines 718 746) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 517 525) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 517 525) the Hoare annotation is: true [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 1024 1046) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L895 garLoopResultBuilder]: At program point L1036(line 1036) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:10:59,481 INFO L895 garLoopResultBuilder]: At program point L1036-1(line 1036) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point L1034(lines 1034 1041) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1024 1046) 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 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point L1034-1(lines 1034 1041) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L899 garLoopResultBuilder]: For program point L1032(line 1032) no Hoare annotation was computed. [2023-04-03 01:10:59,481 INFO L895 garLoopResultBuilder]: At program point L1031(line 1031) 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 01:10:59,482 INFO L895 garLoopResultBuilder]: At program point L1030(line 1030) 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 01:10:59,482 INFO L895 garLoopResultBuilder]: At program point L1030-1(line 1030) 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 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L993(line 993) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 982 1005) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L989(line 989) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L988(line 988) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 982 1005) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 982 1005) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L1000(line 1000) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L994(line 994) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1) (or .cse2 .cse1 .cse3 .cse4) (or .cse5 .cse6 (= 1 ~systemActive~0) .cse3 (not (= |old(~systemActive~0)| 1))) (or .cse5 .cse2 .cse6 .cse3 .cse4) (or .cse0 (< 1 ~waterLevel~0)))) [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 395 409) no Hoare annotation was computed. [2023-04-03 01:10:59,482 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 395 409) 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 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse4 (= 1 ~systemActive~0) .cse2 (not (= |old(~systemActive~0)| 1))) (or .cse0 .cse1 .cse4 .cse2 .cse3))) [2023-04-03 01:10:59,483 INFO L902 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: true [2023-04-03 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point L383-1(line 383) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 376 394) the Hoare annotation is: true [2023-04-03 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 376 394) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 503 509) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 503 509) the Hoare annotation is: true [2023-04-03 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 904 949) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 904 949) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 137 150) the Hoare annotation is: true [2023-04-03 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 137 150) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L895 garLoopResultBuilder]: At program point L279(line 279) 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 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 260 284) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point L279-1(lines 260 284) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L895 garLoopResultBuilder]: At program point L274(line 274) 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 01:10:59,483 INFO L895 garLoopResultBuilder]: At program point L270(line 270) 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 01:10:59,483 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 276) no Hoare annotation was computed. [2023-04-03 01:10:59,483 INFO L895 garLoopResultBuilder]: At program point L266(line 266) 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 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 260 284) 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 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 281) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 200 206) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 200 206) the Hoare annotation is: true [2023-04-03 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point L477(lines 430 479) 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 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not .cse0) (and .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse5 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse0 (= ~waterLevel~0 1) .cse2 .cse3) (and .cse5 .cse1 .cse0 .cse2 .cse3) (and .cse4 .cse1 (<= ~waterLevel~0 1)))) [2023-04-03 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 420 487) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 487) 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 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point L480(lines 429 481) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point L470(line 470) 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 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 474) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point L468-1(lines 460 475) 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 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L431(lines 430 479) no Hoare annotation was computed. [2023-04-03 01:10:59,484 INFO L895 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3) (and .cse2 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse2 .cse4))) [2023-04-03 01:10:59,484 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 475) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L895 garLoopResultBuilder]: At program point L452(line 452) 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 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 420 487) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 151 159) the Hoare annotation is: true [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 151 159) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 105 127) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 105 127) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 285 292) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 285 292) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-04-03 01:10:59,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 128 136) the Hoare annotation is: true [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 128 136) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 357 375) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L902 garLoopResultBuilder]: At program point L364(line 364) the Hoare annotation is: true [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point L364-1(line 364) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 357 375) the Hoare annotation is: true [2023-04-03 01:10:59,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 104) the Hoare annotation is: true [2023-04-03 01:10:59,485 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2023-04-03 01:10:59,485 INFO L895 garLoopResultBuilder]: At program point L189(line 189) 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 01:10:59,485 INFO L895 garLoopResultBuilder]: At program point L187(lines 187 193) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse8 (< 2 |old(~waterLevel~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3) (not .cse4) .cse5 (and .cse6 .cse1 .cse2))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse7) (and (= 2 ~waterLevel~0) (not .cse5) .cse4 .cse3) .cse8) (let ((.cse9 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse7)))) (or .cse0 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) (and .cse6 .cse9 .cse2) .cse5 .cse8 (and .cse9 .cse2 .cse3))))) [2023-04-03 01:10:59,486 INFO L895 garLoopResultBuilder]: At program point L182(line 182) 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 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point L180(lines 176 198) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point L178(lines 176 198) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 173 199) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 199) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 2 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= 0 ~systemActive~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 1))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse4 .cse5) (or .cse6 .cse3 .cse7 (and .cse2 .cse8)) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse1 .cse9)) (or .cse6 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse7 .cse5 (and .cse9 .cse4 .cse8)))) [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 173 199) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L902 garLoopResultBuilder]: At program point L962-2(lines 962 976) the Hoare annotation is: true [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 952 981) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L902 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: true [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L902 garLoopResultBuilder]: At program point L977(lines 952 981) the Hoare annotation is: true [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 952 981) the Hoare annotation is: true [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 970) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L902 garLoopResultBuilder]: At program point L966-1(lines 966 970) the Hoare annotation is: true [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 60 71) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 60 71) 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 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 410 417) no Hoare annotation was computed. [2023-04-03 01:10:59,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 410 417) the Hoare annotation is: true [2023-04-03 01:10:59,486 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (or (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (<= 2 ~waterLevel~0)))) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2023-04-03 01:10:59,486 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 208 232) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point L218(line 218) 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 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point L214(line 214) 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 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point L214-1(line 214) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 229) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 208 232) 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 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point L227(line 227) 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 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point L227-1(lines 208 232) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 83) the Hoare annotation is: (let ((.cse5 (< 1 |old(~waterLevel~0)|)) (.cse7 (= 0 ~systemActive~0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~pumpRunning~0 1))) (.cse4 (and (or .cse5 (< |old(~waterLevel~0)| 1) .cse7) (or .cse7 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2 .cse4) (or .cse5 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse6 .cse7) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (= ~waterLevel~0 1)) (or .cse5 .cse0 .cse6)))) [2023-04-03 01:10:59,487 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 527 534) the Hoare annotation is: true [2023-04-03 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 531) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 527 534) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 234 258) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point L253(line 253) 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 01:10:59,487 INFO L899 garLoopResultBuilder]: For program point L253-1(lines 234 258) no Hoare annotation was computed. [2023-04-03 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point L248(line 248) 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 01:10:59,487 INFO L895 garLoopResultBuilder]: At program point L244(line 244) 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 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 250) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L895 garLoopResultBuilder]: At program point L240(line 240) 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 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 255) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 234 258) 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 01:10:59,488 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 510 516) the Hoare annotation is: true [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 510 516) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 537 544) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 537 544) the Hoare annotation is: true [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 545 554) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 545 554) 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 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L895 garLoopResultBuilder]: At program point L570(line 570) 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 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 574) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 577) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L895 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 1 ~waterLevel~0) .cse1 .cse2) (or (< 2 ~waterLevel~0) (not (= ~pumpRunning~0 0)) (and .cse0 (<= ~waterLevel~0 1))) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 580) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 555 583) no Hoare annotation was computed. [2023-04-03 01:10:59,488 INFO L902 garLoopResultBuilder]: At program point L561(line 561) the Hoare annotation is: true [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point L561-1(line 561) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 555 583) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 555 583) the Hoare annotation is: true [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 312 320) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 312 320) the Hoare annotation is: true [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point L351(line 351) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point L351-1(line 351) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 321 356) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 321 356) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 591 636) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 591 636) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 1013 1023) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L895 garLoopResultBuilder]: At program point L1018(line 1018) 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 01:10:59,489 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1013 1023) 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 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 1013 1023) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 301 311) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 301 311) the Hoare annotation is: true [2023-04-03 01:10:59,489 INFO L902 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: true [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 293 300) no Hoare annotation was computed. [2023-04-03 01:10:59,489 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 293 300) 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 .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3))) [2023-04-03 01:10:59,489 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 858 903) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 858 903) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 493 502) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 493 502) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L801(lines 801 842) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 783) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 755 857) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 755 857) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 824) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L825(lines 803 826) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 755 857) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 800) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L805(lines 804 824) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L836(line 836) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point L836-1(line 836) no Hoare annotation was computed. [2023-04-03 01:10:59,490 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 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 84 95) the Hoare annotation is: true [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 1006 1012) no Hoare annotation was computed. [2023-04-03 01:10:59,490 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 1006 1012) the Hoare annotation is: true [2023-04-03 01:10:59,491 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:59,491 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 01:10:59,491 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:10:59,491 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:10:59,493 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:59,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:10:59,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:10:59 BoogieIcfgContainer [2023-04-03 01:10:59,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:10:59,504 INFO L158 Benchmark]: Toolchain (without parser) took 45780.63ms. Allocated memory was 202.4MB in the beginning and 1.2GB in the end (delta: 960.5MB). Free memory was 159.9MB in the beginning and 559.7MB in the end (delta: -399.8MB). Peak memory consumption was 699.4MB. Max. memory is 8.0GB. [2023-04-03 01:10:59,504 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:10:59,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.59ms. Allocated memory is still 202.4MB. Free memory was 159.9MB in the beginning and 140.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:10:59,504 INFO L158 Benchmark]: Boogie Preprocessor took 59.14ms. Allocated memory is still 202.4MB. Free memory was 140.6MB in the beginning and 137.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:10:59,504 INFO L158 Benchmark]: RCFGBuilder took 767.25ms. Allocated memory is still 202.4MB. Free memory was 136.8MB in the beginning and 137.3MB in the end (delta: -488.7kB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. [2023-04-03 01:10:59,504 INFO L158 Benchmark]: TraceAbstraction took 44626.25ms. Allocated memory was 202.4MB in the beginning and 1.2GB in the end (delta: 960.5MB). Free memory was 136.8MB in the beginning and 559.7MB in the end (delta: -422.9MB). Peak memory consumption was 676.0MB. Max. memory is 8.0GB. [2023-04-03 01:10:59,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 321.59ms. Allocated memory is still 202.4MB. Free memory was 159.9MB in the beginning and 140.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.14ms. Allocated memory is still 202.4MB. Free memory was 140.6MB in the beginning and 137.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 767.25ms. Allocated memory is still 202.4MB. Free memory was 136.8MB in the beginning and 137.3MB in the end (delta: -488.7kB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. * TraceAbstraction took 44626.25ms. Allocated memory was 202.4MB in the beginning and 1.2GB in the end (delta: 960.5MB). Free memory was 136.8MB in the beginning and 559.7MB in the end (delta: -422.9MB). Peak memory consumption was 676.0MB. 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: 531]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 212 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.6s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2045 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1984 mSDsluCounter, 6531 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5248 mSDsCounter, 1185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8187 IncrementalHoareTripleChecker+Invalid, 9372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1185 mSolverCounterUnsat, 1283 mSDtfsCounter, 8187 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1825 GetRequests, 1437 SyntacticMatches, 36 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14474 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2918occurred in iteration=8, InterpolantAutomatonStates: 138, 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, 915 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 4940 PreInvPairs, 5415 NumberOfFragments, 2101 HoareAnnotationTreeSize, 4940 FomulaSimplifications, 32260 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 49659 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1472 NumberOfCodeBlocks, 1472 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1996 ConstructedInterpolants, 0 QuantifiedInterpolants, 3600 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 833/921 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: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: 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: 429]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:10:59,519 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...