/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:59:53,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:59:53,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:59:53,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:59:53,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:59:53,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:59:53,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:59:53,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:59:53,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:59:53,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:59:53,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:59:53,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:59:53,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:59:53,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:59:53,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:59:53,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:59:53,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:59:53,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:59:53,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:59:53,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:59:53,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:59:53,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:59:53,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:59:53,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:59:53,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:59:53,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:59:53,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:59:53,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:59:53,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:59:53,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:59:53,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:59:53,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:59:53,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:59:53,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:59:53,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:59:53,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:59:53,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:59:53,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:59:53,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:59:53,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:59:53,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:59:53,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:59:53,309 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:59:53,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:59:53,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:59:53,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:59:53,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:59:53,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:59:53,310 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:59:53,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:59:53,310 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:59:53,310 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:59:53,311 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:59:53,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:59:53,311 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:59:53,311 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:59:53,311 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:59:53,311 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:59:53,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:59:53,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:59:53,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:59:53,313 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:59:53,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:59:53,313 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:59:53,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:59:53,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:59:53,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:59:53,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:59:53,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:59:53,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:59:53,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:59:53,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:59:53,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:59:53,491 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:59:53,491 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:59:53,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c [2023-04-03 00:59:54,612 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:59:54,880 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:59:54,881 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c [2023-04-03 00:59:54,893 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0c5e848/ff72260821634598b2af649c60b9d41f/FLAGab06e123a [2023-04-03 00:59:54,908 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0c5e848/ff72260821634598b2af649c60b9d41f [2023-04-03 00:59:54,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:59:54,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:59:54,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:59:54,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:59:54,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:59:54,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:59:54" (1/1) ... [2023-04-03 00:59:54,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3bec9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:54, skipping insertion in model container [2023-04-03 00:59:54,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:59:54" (1/1) ... [2023-04-03 00:59:54,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:59:54,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:59:55,086 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c[6160,6173] [2023-04-03 00:59:55,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:59:55,135 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:59:55,150 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c[6160,6173] [2023-04-03 00:59:55,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:59:55,190 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:59:55,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55 WrapperNode [2023-04-03 00:59:55,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:59:55,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:59:55,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:59:55,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:59:55,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:59:55,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:59:55,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:59:55,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:59:55,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (1/1) ... [2023-04-03 00:59:55,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:59:55,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:59:55,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:59:55,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:59:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:59:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:59:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:59:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:59:55,342 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 00:59:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:59:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 00:59:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:59:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:59:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:59:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:59:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:59:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:59:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:59:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:59:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:59:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 00:59:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 00:59:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 00:59:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 00:59:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 00:59:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 00:59:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 00:59:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 00:59:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 00:59:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 00:59:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 00:59:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:59:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 00:59:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 00:59:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:59:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:59:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:59:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:59:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:59:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:59:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:59:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:59:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:59:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:59:55,470 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:59:55,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:59:55,881 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:59:55,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:59:55,973 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 00:59:55,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:59:55 BoogieIcfgContainer [2023-04-03 00:59:55,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:59:55,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:59:55,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:59:55,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:59:55,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:59:54" (1/3) ... [2023-04-03 00:59:55,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ef10aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:59:55, skipping insertion in model container [2023-04-03 00:59:55,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:59:55" (2/3) ... [2023-04-03 00:59:55,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ef10aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:59:55, skipping insertion in model container [2023-04-03 00:59:55,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:59:55" (3/3) ... [2023-04-03 00:59:55,981 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2023-04-03 00:59:55,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:59:55,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:59:56,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:59:56,045 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;@62dd453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:59:56,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:59:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 95 states have internal predecessors, (100), 54 states have call successors, (54), 32 states have call predecessors, (54), 32 states have return successors, (54), 48 states have call predecessors, (54), 54 states have call successors, (54) [2023-04-03 00:59:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 00:59:56,057 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:56,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:56,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:56,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1611826292, now seen corresponding path program 1 times [2023-04-03 00:59:56,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:56,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266890577] [2023-04-03 00:59:56,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:59:56,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:59:56,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266890577] [2023-04-03 00:59:56,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266890577] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:59:56,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:59:56,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:59:56,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527239423] [2023-04-03 00:59:56,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:59:56,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:59:56,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:59:56,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:59:56,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:59:56,264 INFO L87 Difference]: Start difference. First operand has 167 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 95 states have internal predecessors, (100), 54 states have call successors, (54), 32 states have call predecessors, (54), 32 states have return successors, (54), 48 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:59:56,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:59:56,318 INFO L93 Difference]: Finished difference Result 267 states and 330 transitions. [2023-04-03 00:59:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:59:56,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 00:59:56,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:59:56,328 INFO L225 Difference]: With dead ends: 267 [2023-04-03 00:59:56,328 INFO L226 Difference]: Without dead ends: 134 [2023-04-03 00:59:56,332 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 00:59:56,335 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:59:56,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:59:56,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-04-03 00:59:56,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2023-04-03 00:59:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 83 states have internal predecessors, (86), 39 states have call successors, (39), 30 states have call predecessors, (39), 25 states have return successors, (34), 28 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-03 00:59:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2023-04-03 00:59:56,379 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 42 [2023-04-03 00:59:56,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:59:56,380 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2023-04-03 00:59:56,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:59:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2023-04-03 00:59:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 00:59:56,382 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:56,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:56,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:59:56,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:56,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:56,383 INFO L85 PathProgramCache]: Analyzing trace with hash 130194964, now seen corresponding path program 1 times [2023-04-03 00:59:56,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:56,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202950434] [2023-04-03 00:59:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:56,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:59:56,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:59:56,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202950434] [2023-04-03 00:59:56,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202950434] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:59:56,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:59:56,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:59:56,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539580201] [2023-04-03 00:59:56,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:59:56,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:59:56,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:59:56,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:59:56,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:59:56,459 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:59:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:59:56,502 INFO L93 Difference]: Finished difference Result 218 states and 258 transitions. [2023-04-03 00:59:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:59:56,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 00:59:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:59:56,504 INFO L225 Difference]: With dead ends: 218 [2023-04-03 00:59:56,504 INFO L226 Difference]: Without dead ends: 126 [2023-04-03 00:59:56,504 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 00:59:56,505 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 11 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:59:56,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 248 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:59:56,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-04-03 00:59:56,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2023-04-03 00:59:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 64 states have (on average 1.25) internal successors, (80), 78 states have internal predecessors, (80), 36 states have call successors, (36), 29 states have call predecessors, (36), 25 states have return successors, (32), 26 states have call predecessors, (32), 32 states have call successors, (32) [2023-04-03 00:59:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2023-04-03 00:59:56,516 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 43 [2023-04-03 00:59:56,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:59:56,516 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2023-04-03 00:59:56,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:59:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2023-04-03 00:59:56,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 00:59:56,517 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:56,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:56,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:59:56,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:56,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:56,518 INFO L85 PathProgramCache]: Analyzing trace with hash -111232624, now seen corresponding path program 1 times [2023-04-03 00:59:56,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:56,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921236507] [2023-04-03 00:59:56,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:56,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:59:56,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:59:56,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921236507] [2023-04-03 00:59:56,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921236507] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:59:56,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:59:56,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 00:59:56,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204536036] [2023-04-03 00:59:56,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:59:56,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 00:59:56,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:59:56,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 00:59:56,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 00:59:56,711 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 00:59:57,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:59:57,034 INFO L93 Difference]: Finished difference Result 378 states and 457 transitions. [2023-04-03 00:59:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 00:59:57,034 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-04-03 00:59:57,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:59:57,037 INFO L225 Difference]: With dead ends: 378 [2023-04-03 00:59:57,037 INFO L226 Difference]: Without dead ends: 274 [2023-04-03 00:59:57,038 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 00:59:57,039 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 315 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 00:59:57,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 552 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 00:59:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-04-03 00:59:57,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 266. [2023-04-03 00:59:57,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 141 states have (on average 1.2765957446808511) internal successors, (180), 169 states have internal predecessors, (180), 72 states have call successors, (72), 58 states have call predecessors, (72), 52 states have return successors, (69), 52 states have call predecessors, (69), 68 states have call successors, (69) [2023-04-03 00:59:57,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 321 transitions. [2023-04-03 00:59:57,073 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 321 transitions. Word has length 46 [2023-04-03 00:59:57,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:59:57,073 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 321 transitions. [2023-04-03 00:59:57,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 00:59:57,073 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 321 transitions. [2023-04-03 00:59:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 00:59:57,075 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:57,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:57,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:59:57,075 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:57,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:57,076 INFO L85 PathProgramCache]: Analyzing trace with hash -240588843, now seen corresponding path program 1 times [2023-04-03 00:59:57,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:57,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121262861] [2023-04-03 00:59:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:57,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:59:57,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:59:57,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121262861] [2023-04-03 00:59:57,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121262861] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:59:57,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:59:57,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:59:57,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323248849] [2023-04-03 00:59:57,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:59:57,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:59:57,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:59:57,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:59:57,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:59:57,219 INFO L87 Difference]: Start difference. First operand 266 states and 321 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:59:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:59:57,366 INFO L93 Difference]: Finished difference Result 739 states and 912 transitions. [2023-04-03 00:59:57,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 00:59:57,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 51 [2023-04-03 00:59:57,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:59:57,370 INFO L225 Difference]: With dead ends: 739 [2023-04-03 00:59:57,370 INFO L226 Difference]: Without dead ends: 495 [2023-04-03 00:59:57,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 00:59:57,372 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 109 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:59:57,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 565 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:59:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2023-04-03 00:59:57,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 483. [2023-04-03 00:59:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 260 states have (on average 1.2769230769230768) internal successors, (332), 312 states have internal predecessors, (332), 129 states have call successors, (129), 101 states have call predecessors, (129), 93 states have return successors, (127), 93 states have call predecessors, (127), 125 states have call successors, (127) [2023-04-03 00:59:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 588 transitions. [2023-04-03 00:59:57,404 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 588 transitions. Word has length 51 [2023-04-03 00:59:57,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:59:57,405 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 588 transitions. [2023-04-03 00:59:57,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:59:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 588 transitions. [2023-04-03 00:59:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-03 00:59:57,407 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:57,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:57,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:59:57,408 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:57,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:57,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2011458357, now seen corresponding path program 1 times [2023-04-03 00:59:57,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:57,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343145464] [2023-04-03 00:59:57,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:59:57,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:59:57,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343145464] [2023-04-03 00:59:57,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343145464] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:59:57,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:59:57,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 00:59:57,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185417127] [2023-04-03 00:59:57,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:59:57,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 00:59:57,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:59:57,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 00:59:57,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 00:59:57,515 INFO L87 Difference]: Start difference. First operand 483 states and 588 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:59:57,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:59:57,908 INFO L93 Difference]: Finished difference Result 1287 states and 1682 transitions. [2023-04-03 00:59:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 00:59:57,908 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), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-04-03 00:59:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:59:57,925 INFO L225 Difference]: With dead ends: 1287 [2023-04-03 00:59:57,926 INFO L226 Difference]: Without dead ends: 826 [2023-04-03 00:59:57,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 00:59:57,928 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 170 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 00:59:57,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 334 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 00:59:57,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2023-04-03 00:59:58,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 739. [2023-04-03 00:59:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 414 states have (on average 1.2053140096618358) internal successors, (499), 452 states have internal predecessors, (499), 161 states have call successors, (161), 137 states have call predecessors, (161), 163 states have return successors, (229), 167 states have call predecessors, (229), 157 states have call successors, (229) [2023-04-03 00:59:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 889 transitions. [2023-04-03 00:59:58,012 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 889 transitions. Word has length 54 [2023-04-03 00:59:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:59:58,014 INFO L495 AbstractCegarLoop]: Abstraction has 739 states and 889 transitions. [2023-04-03 00:59:58,014 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), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:59:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 889 transitions. [2023-04-03 00:59:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-03 00:59:58,018 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:58,018 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:58,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 00:59:58,019 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:58,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:58,019 INFO L85 PathProgramCache]: Analyzing trace with hash 740250729, now seen corresponding path program 1 times [2023-04-03 00:59:58,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:58,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701157972] [2023-04-03 00:59:58,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:58,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 00:59:58,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:59:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701157972] [2023-04-03 00:59:58,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701157972] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:59:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622666184] [2023-04-03 00:59:58,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:58,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:59:58,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:59:58,310 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 00:59:58,317 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 00:59:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:58,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 00:59:58,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:59:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:59:58,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 00:59:58,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622666184] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:59:58,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 00:59:58,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 17 [2023-04-03 00:59:58,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629389778] [2023-04-03 00:59:58,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:59:58,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 00:59:58,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:59:58,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 00:59:58,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-04-03 00:59:58,525 INFO L87 Difference]: Start difference. First operand 739 states and 889 transitions. Second operand has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 00:59:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:59:58,847 INFO L93 Difference]: Finished difference Result 1777 states and 2231 transitions. [2023-04-03 00:59:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 00:59:58,848 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) Word has length 89 [2023-04-03 00:59:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:59:58,852 INFO L225 Difference]: With dead ends: 1777 [2023-04-03 00:59:58,852 INFO L226 Difference]: Without dead ends: 1060 [2023-04-03 00:59:58,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-04-03 00:59:58,854 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 124 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 00:59:58,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1070 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 00:59:58,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2023-04-03 00:59:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1040. [2023-04-03 00:59:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 590 states have (on average 1.2033898305084745) internal successors, (710), 638 states have internal predecessors, (710), 228 states have call successors, (228), 194 states have call predecessors, (228), 221 states have return successors, (328), 231 states have call predecessors, (328), 224 states have call successors, (328) [2023-04-03 00:59:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1266 transitions. [2023-04-03 00:59:58,943 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1266 transitions. Word has length 89 [2023-04-03 00:59:58,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:59:58,944 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 1266 transitions. [2023-04-03 00:59:58,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-03 00:59:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1266 transitions. [2023-04-03 00:59:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-03 00:59:58,947 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:59:58,947 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:59:58,956 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 00:59:59,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-03 00:59:59,155 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:59:59,155 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:59:59,155 INFO L85 PathProgramCache]: Analyzing trace with hash 964142980, now seen corresponding path program 1 times [2023-04-03 00:59:59,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:59:59,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169709760] [2023-04-03 00:59:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:59:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-03 00:59:59,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:59:59,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169709760] [2023-04-03 00:59:59,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169709760] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:59:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174596032] [2023-04-03 00:59:59,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:59:59,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:59:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:59:59,496 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 00:59:59,532 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 00:59:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:59:59,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 33 conjunts are in the unsatisfiable core [2023-04-03 00:59:59,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:59:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 00:59:59,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 00:59:59,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174596032] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:59:59,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 00:59:59,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 26 [2023-04-03 00:59:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044608768] [2023-04-03 00:59:59,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:59:59,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 00:59:59,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:59:59,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 00:59:59,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2023-04-03 00:59:59,950 INFO L87 Difference]: Start difference. First operand 1040 states and 1266 transitions. Second operand has 14 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (35), 5 states have call predecessors, (35), 7 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-03 01:00:01,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:01,155 INFO L93 Difference]: Finished difference Result 2906 states and 3691 transitions. [2023-04-03 01:00:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-03 01:00:01,156 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (35), 5 states have call predecessors, (35), 7 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) Word has length 149 [2023-04-03 01:00:01,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:01,163 INFO L225 Difference]: With dead ends: 2906 [2023-04-03 01:00:01,163 INFO L226 Difference]: Without dead ends: 1888 [2023-04-03 01:00:01,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=1732, Unknown=0, NotChecked=0, Total=1980 [2023-04-03 01:00:01,167 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 241 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:01,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 426 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 01:00:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2023-04-03 01:00:01,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1778. [2023-04-03 01:00:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1074 states have (on average 1.202048417132216) internal successors, (1291), 1134 states have internal predecessors, (1291), 369 states have call successors, (369), 349 states have call predecessors, (369), 334 states have return successors, (524), 339 states have call predecessors, (524), 365 states have call successors, (524) [2023-04-03 01:00:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2184 transitions. [2023-04-03 01:00:01,256 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2184 transitions. Word has length 149 [2023-04-03 01:00:01,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:01,256 INFO L495 AbstractCegarLoop]: Abstraction has 1778 states and 2184 transitions. [2023-04-03 01:00:01,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (35), 5 states have call predecessors, (35), 7 states have return successors, (29), 7 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-03 01:00:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2184 transitions. [2023-04-03 01:00:01,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 01:00:01,260 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:01,260 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:01,281 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 01:00:01,466 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,SelfDestructingSolverStorable6 [2023-04-03 01:00:01,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:01,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1385878002, now seen corresponding path program 1 times [2023-04-03 01:00:01,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:01,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71722653] [2023-04-03 01:00:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:01,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-03 01:00:01,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:01,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71722653] [2023-04-03 01:00:01,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71722653] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:01,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:01,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:00:01,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504017785] [2023-04-03 01:00:01,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:01,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:00:01,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:01,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:00:01,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:00:01,626 INFO L87 Difference]: Start difference. First operand 1778 states and 2184 transitions. Second operand has 10 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 01:00:02,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:02,154 INFO L93 Difference]: Finished difference Result 4474 states and 5598 transitions. [2023-04-03 01:00:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:00:02,155 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) Word has length 152 [2023-04-03 01:00:02,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:02,156 INFO L225 Difference]: With dead ends: 4474 [2023-04-03 01:00:02,156 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:00:02,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:00:02,164 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 128 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:02,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 782 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:00:02,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:00:02,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:00:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:00:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:00:02,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2023-04-03 01:00:02,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:02,165 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:00:02,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 6 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 01:00:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:00:02,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:00:02,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:00:02,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 01:00:02,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point L495(lines 472 496) no Hoare annotation was computed. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 448 503) no Hoare annotation was computed. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2023-04-03 01:00:06,109 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point L556(lines 529 557) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 504 563) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point L549-1(line 549) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1016 1024) the Hoare annotation is: true [2023-04-03 01:00:06,110 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 837 859) no Hoare annotation was computed. [2023-04-03 01:00:06,110 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:06,111 INFO L895 garLoopResultBuilder]: At program point L849-1(line 849) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:06,111 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 854) no Hoare annotation was computed. [2023-04-03 01:00:06,111 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 847 854) no Hoare annotation was computed. [2023-04-03 01:00:06,111 INFO L899 garLoopResultBuilder]: For program point L845(line 845) no Hoare annotation was computed. [2023-04-03 01:00:06,111 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-03 01:00:06,111 INFO L895 garLoopResultBuilder]: At program point L843(line 843) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-03 01:00:06,111 INFO L895 garLoopResultBuilder]: At program point L843-1(line 843) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-03 01:00:06,111 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 837 859) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-03 01:00:06,111 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed. [2023-04-03 01:00:06,111 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L799(line 799) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L798(line 798) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L810(line 810) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 793 816) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L809(line 809) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L808(line 808) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L807(line 807) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L806(line 806) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2023-04-03 01:00:06,112 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 301 315) no Hoare annotation was computed. [2023-04-03 01:00:06,113 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 301 315) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-03 01:00:06,113 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2023-04-03 01:00:06,113 INFO L902 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: true [2023-04-03 01:00:06,113 INFO L899 garLoopResultBuilder]: For program point L289-1(line 289) no Hoare annotation was computed. [2023-04-03 01:00:06,113 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 282 300) the Hoare annotation is: true [2023-04-03 01:00:06,113 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 282 300) no Hoare annotation was computed. [2023-04-03 01:00:06,113 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2023-04-03 01:00:06,113 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2023-04-03 01:00:06,113 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 715 760) no Hoare annotation was computed. [2023-04-03 01:00:06,113 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2023-04-03 01:00:06,113 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 967 980) the Hoare annotation is: true [2023-04-03 01:00:06,113 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2023-04-03 01:00:06,114 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:06,114 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 165) no Hoare annotation was computed. [2023-04-03 01:00:06,114 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:00:06,114 INFO L899 garLoopResultBuilder]: For program point L155-1(line 155) no Hoare annotation was computed. [2023-04-03 01:00:06,114 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 170) no Hoare annotation was computed. [2023-04-03 01:00:06,114 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 149 173) no Hoare annotation was computed. [2023-04-03 01:00:06,114 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 149 173) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-03 01:00:06,114 INFO L895 garLoopResultBuilder]: At program point L168(line 168) the Hoare annotation is: (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0))) [2023-04-03 01:00:06,114 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 149 173) no Hoare annotation was computed. [2023-04-03 01:00:06,114 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~2) (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-03 01:00:06,114 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed. [2023-04-03 01:00:06,114 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true [2023-04-03 01:00:06,115 INFO L895 garLoopResultBuilder]: At program point L378(lines 329 379) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:00:06,115 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 320 385) no Hoare annotation was computed. [2023-04-03 01:00:06,115 INFO L895 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-03 01:00:06,115 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 372) no Hoare annotation was computed. [2023-04-03 01:00:06,115 INFO L895 garLoopResultBuilder]: At program point L366-1(lines 360 373) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-03 01:00:06,115 INFO L899 garLoopResultBuilder]: For program point L331(lines 330 377) no Hoare annotation was computed. [2023-04-03 01:00:06,115 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 320 385) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-03 01:00:06,115 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 373) no Hoare annotation was computed. [2023-04-03 01:00:06,115 INFO L895 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2023-04-03 01:00:06,115 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2023-04-03 01:00:06,116 INFO L899 garLoopResultBuilder]: For program point L350-1(lines 350 356) no Hoare annotation was computed. [2023-04-03 01:00:06,116 INFO L895 garLoopResultBuilder]: At program point L375(lines 330 377) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-03 01:00:06,116 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-03 01:00:06,116 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 346) no Hoare annotation was computed. [2023-04-03 01:00:06,116 INFO L899 garLoopResultBuilder]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2023-04-03 01:00:06,134 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 320 385) no Hoare annotation was computed. [2023-04-03 01:00:06,134 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 181) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-04-03 01:00:06,134 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 174 181) no Hoare annotation was computed. [2023-04-03 01:00:06,134 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 981 989) the Hoare annotation is: true [2023-04-03 01:00:06,134 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2023-04-03 01:00:06,134 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 935 957) no Hoare annotation was computed. [2023-04-03 01:00:06,134 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 935 957) no Hoare annotation was computed. [2023-04-03 01:00:06,135 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 2) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~3 0))) [2023-04-03 01:00:06,135 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 182 198) no Hoare annotation was computed. [2023-04-03 01:00:06,135 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2023-04-03 01:00:06,135 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 182 198) no Hoare annotation was computed. [2023-04-03 01:00:06,135 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-04-03 01:00:06,135 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-04-03 01:00:06,135 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 182 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-04-03 01:00:06,135 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 263 281) no Hoare annotation was computed. [2023-04-03 01:00:06,135 INFO L902 garLoopResultBuilder]: At program point L270(line 270) the Hoare annotation is: true [2023-04-03 01:00:06,136 INFO L899 garLoopResultBuilder]: For program point L270-1(line 270) no Hoare annotation was computed. [2023-04-03 01:00:06,136 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 281) the Hoare annotation is: true [2023-04-03 01:00:06,136 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 958 966) no Hoare annotation was computed. [2023-04-03 01:00:06,136 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2023-04-03 01:00:06,137 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 926 934) the Hoare annotation is: true [2023-04-03 01:00:06,137 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2023-04-03 01:00:06,137 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0) (or .cse1 (<= 2 ~waterLevel~0) (< |old(~waterLevel~0)| 2)) (or .cse1 (not .cse0)))) [2023-04-03 01:00:06,137 INFO L895 garLoopResultBuilder]: At program point L76(lines 76 82) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (and (= ~pumpRunning~0 0) .cse1)) (.cse4 (and .cse0 .cse6 .cse1 (not .cse2))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4) (or .cse5 .cse6 (< |old(~waterLevel~0)| 2))))) [2023-04-03 01:00:06,137 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed. [2023-04-03 01:00:06,137 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 65 88) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 0) .cse4)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) .cse2) (or .cse3 .cse0 .cse1))) [2023-04-03 01:00:06,137 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (= 0 ~systemActive~0))) [2023-04-03 01:00:06,137 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 88) no Hoare annotation was computed. [2023-04-03 01:00:06,137 INFO L899 garLoopResultBuilder]: For program point L69(lines 68 87) no Hoare annotation was computed. [2023-04-03 01:00:06,137 INFO L902 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: true [2023-04-03 01:00:06,138 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2023-04-03 01:00:06,138 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2023-04-03 01:00:06,138 INFO L902 garLoopResultBuilder]: At program point L788(lines 763 792) the Hoare annotation is: true [2023-04-03 01:00:06,138 INFO L899 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2023-04-03 01:00:06,138 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 763 792) the Hoare annotation is: true [2023-04-03 01:00:06,138 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 781) no Hoare annotation was computed. [2023-04-03 01:00:06,138 INFO L902 garLoopResultBuilder]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2023-04-03 01:00:06,138 INFO L902 garLoopResultBuilder]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2023-04-03 01:00:06,138 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2023-04-03 01:00:06,139 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 901) the Hoare annotation is: (or (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~systemActive~0)) [2023-04-03 01:00:06,139 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 97 121) no Hoare annotation was computed. [2023-04-03 01:00:06,139 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:06,139 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed. [2023-04-03 01:00:06,139 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse2)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (= ~pumpRunning~0 0))) (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (< ~waterLevel~0 2) .cse1)))) [2023-04-03 01:00:06,139 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) .cse1))) [2023-04-03 01:00:06,139 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 97 121) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:06,139 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2023-04-03 01:00:06,140 INFO L895 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:00:06,140 INFO L899 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2023-04-03 01:00:06,140 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2023-04-03 01:00:06,140 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2023-04-03 01:00:06,140 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 913) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse2) (or .cse5 .cse3 .cse4) (or .cse5 .cse1))) [2023-04-03 01:00:06,140 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 387 394) the Hoare annotation is: true [2023-04-03 01:00:06,140 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2023-04-03 01:00:06,152 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2023-04-03 01:00:06,153 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2023-04-03 01:00:06,153 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2023-04-03 01:00:06,153 INFO L895 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:06,153 INFO L899 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2023-04-03 01:00:06,153 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2023-04-03 01:00:06,153 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-03 01:00:06,153 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2023-04-03 01:00:06,153 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 123 147) no Hoare annotation was computed. [2023-04-03 01:00:06,153 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 123 147) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:06,153 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:06,153 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 218 226) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 218 226) the Hoare annotation is: true [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point L257-1(line 257) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 227 262) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 227 262) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 402 447) no Hoare annotation was computed. [2023-04-03 01:00:06,154 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2023-04-03 01:00:06,155 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 824 833) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|))) [2023-04-03 01:00:06,155 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2023-04-03 01:00:06,155 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 207 217) no Hoare annotation was computed. [2023-04-03 01:00:06,155 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 207 217) the Hoare annotation is: true [2023-04-03 01:00:06,155 INFO L902 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2023-04-03 01:00:06,155 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-03 01:00:06,155 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 199 206) no Hoare annotation was computed. [2023-04-03 01:00:06,155 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 199 206) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 669 714) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L636(lines 614 637) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 611) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 566 668) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L616(lines 615 635) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L647(line 647) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L647-1(line 647) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 653) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point L631-1(line 631) no Hoare annotation was computed. [2023-04-03 01:00:06,156 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2023-04-03 01:00:06,157 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2023-04-03 01:00:06,157 INFO L899 garLoopResultBuilder]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2023-04-03 01:00:06,158 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 992 1001) no Hoare annotation was computed. [2023-04-03 01:00:06,158 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 992 1001) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) [2023-04-03 01:00:06,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2023-04-03 01:00:06,159 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2023-04-03 01:00:06,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2023-04-03 01:00:06,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:00:06,159 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:00:06,161 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 861 885) no Hoare annotation was computed. [2023-04-03 01:00:06,161 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-04-03 01:00:06,161 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 861 885) the Hoare annotation is: true [2023-04-03 01:00:06,161 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2023-04-03 01:00:06,161 INFO L895 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-04-03 01:00:06,161 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2023-04-03 01:00:06,161 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 882) no Hoare annotation was computed. [2023-04-03 01:00:06,162 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 861 885) no Hoare annotation was computed. [2023-04-03 01:00:06,162 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2023-04-03 01:00:06,162 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2023-04-03 01:00:06,164 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:06,166 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:00:06,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:00:06 BoogieIcfgContainer [2023-04-03 01:00:06,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:00:06,197 INFO L158 Benchmark]: Toolchain (without parser) took 11285.12ms. Allocated memory was 311.4MB in the beginning and 543.2MB in the end (delta: 231.7MB). Free memory was 272.8MB in the beginning and 374.3MB in the end (delta: -101.6MB). Peak memory consumption was 318.4MB. Max. memory is 8.0GB. [2023-04-03 01:00:06,198 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:00:06,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.73ms. Allocated memory is still 311.4MB. Free memory was 272.8MB in the beginning and 253.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:00:06,198 INFO L158 Benchmark]: Boogie Preprocessor took 57.82ms. Allocated memory is still 311.4MB. Free memory was 253.4MB in the beginning and 250.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:00:06,198 INFO L158 Benchmark]: RCFGBuilder took 726.06ms. Allocated memory is still 311.4MB. Free memory was 250.2MB in the beginning and 187.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-04-03 01:00:06,198 INFO L158 Benchmark]: TraceAbstraction took 10219.62ms. Allocated memory was 311.4MB in the beginning and 543.2MB in the end (delta: 231.7MB). Free memory was 186.8MB in the beginning and 374.3MB in the end (delta: -187.6MB). Peak memory consumption was 232.4MB. Max. memory is 8.0GB. [2023-04-03 01:00:06,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 275.73ms. Allocated memory is still 311.4MB. Free memory was 272.8MB in the beginning and 253.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.82ms. Allocated memory is still 311.4MB. Free memory was 253.4MB in the beginning and 250.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 726.06ms. Allocated memory is still 311.4MB. Free memory was 250.2MB in the beginning and 187.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * TraceAbstraction took 10219.62ms. Allocated memory was 311.4MB in the beginning and 543.2MB in the end (delta: 231.7MB). Free memory was 186.8MB in the beginning and 374.3MB in the end (delta: -187.6MB). Peak memory consumption was 232.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 391]: 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 44 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1162 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1098 mSDsluCounter, 4129 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3159 mSDsCounter, 292 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4010 IncrementalHoareTripleChecker+Invalid, 4302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 292 mSolverCounterUnsat, 970 mSDtfsCounter, 4010 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 368 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1778occurred in iteration=7, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 237 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3846 PreInvPairs, 4200 NumberOfFragments, 1199 HoareAnnotationTreeSize, 3846 FomulaSimplifications, 3606 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 71 FomulaSimplificationsInter, 20142 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 864 NumberOfCodeBlocks, 864 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 854 ConstructedInterpolants, 0 QuantifiedInterpolants, 1598 SizeOfPredicates, 15 NumberOfNonLiveVariables, 903 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 129/136 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: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((1 < \old(waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && splverifierCounter == 0) || 1 < \old(waterLevel)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:00:06,252 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...