/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:59:04,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:59:04,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:59:04,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:59:04,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:59:04,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:59:04,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:59:04,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:59:04,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:59:04,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:59:04,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:59:04,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:59:04,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:59:04,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:59:04,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:59:04,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:59:04,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:59:04,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:59:04,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:59:04,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:59:04,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:59:04,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:59:04,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:59:04,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:59:04,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:59:04,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:59:04,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:59:04,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:59:04,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:59:04,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:59:04,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:59:04,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:59:04,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:59:04,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:59:04,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:59:04,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:59:04,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:59:04,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:59:04,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:59:04,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:59:04,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:59:04,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:59:04,298 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:59:04,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:59:04,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:59:04,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:59:04,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:59:04,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:59:04,300 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:59:04,300 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:59:04,300 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:59:04,300 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:59:04,300 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:59:04,300 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:59:04,300 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:59:04,300 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:59:04,301 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:59:04,301 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:59:04,301 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:59:04,301 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:59:04,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:59:04,301 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:59:04,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:59:04,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:59:04,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:59:04,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:59:04,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:04,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:59:04,303 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:59:04,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:59:04,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:59:04,303 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:59:04,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:59:04,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:59:04,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:59:04,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:59:04,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:59:04,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:59:04,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:59:04,574 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:59:04,575 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:59:04,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2023-03-31 23:59:05,723 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:59:05,945 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:59:05,946 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2023-03-31 23:59:05,956 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dcc97d53/d324087a60a7446d9e48181ccc959b6b/FLAG173f40ca6 [2023-03-31 23:59:05,971 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dcc97d53/d324087a60a7446d9e48181ccc959b6b [2023-03-31 23:59:05,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:59:05,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:59:05,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:05,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:59:05,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:59:05,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:05" (1/1) ... [2023-03-31 23:59:05,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d13537a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:05, skipping insertion in model container [2023-03-31 23:59:05,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:05" (1/1) ... [2023-03-31 23:59:05,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:59:06,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:59:06,361 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2023-03-31 23:59:06,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:06,393 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:59:06,469 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2023-03-31 23:59:06,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:06,499 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:59:06,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06 WrapperNode [2023-03-31 23:59:06,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:06,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:59:06,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:59:06,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:59:06,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:59:06,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:59:06,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:59:06,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:59:06,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:06,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:06,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:59:06,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:59:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:59:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:59:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:59:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:59:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:59:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:59:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:59:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:59:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:59:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:59:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:59:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:59:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:59:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:59:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:59:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:59:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:59:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:59:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:59:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:59:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:59:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:59:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:59:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:59:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:59:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:59:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:59:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:59:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 23:59:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:59:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:59:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:59:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:59:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:59:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:59:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:59:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:59:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:59:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:59:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:59:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:59:06,894 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:59:06,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:59:07,403 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:59:07,501 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:59:07,501 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:59:07,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:07 BoogieIcfgContainer [2023-03-31 23:59:07,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:59:07,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:59:07,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:59:07,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:59:07,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:59:05" (1/3) ... [2023-03-31 23:59:07,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64187f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:07, skipping insertion in model container [2023-03-31 23:59:07,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (2/3) ... [2023-03-31 23:59:07,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64187f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:07, skipping insertion in model container [2023-03-31 23:59:07,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:07" (3/3) ... [2023-03-31 23:59:07,511 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2023-03-31 23:59:07,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:59:07,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:59:07,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:59:07,580 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;@182dca10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:59:07,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:59:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 86 states have internal predecessors, (91), 51 states have call successors, (51), 32 states have call predecessors, (51), 32 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) [2023-03-31 23:59:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 23:59:07,594 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:07,595 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:07,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:07,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:07,600 INFO L85 PathProgramCache]: Analyzing trace with hash -303702767, now seen corresponding path program 1 times [2023-03-31 23:59:07,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:07,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036358003] [2023-03-31 23:59:07,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:07,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:07,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:07,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036358003] [2023-03-31 23:59:07,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036358003] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:07,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:07,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:59:07,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314738342] [2023-03-31 23:59:07,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:07,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:59:07,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:07,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:59:07,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:59:07,905 INFO L87 Difference]: Start difference. First operand has 157 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 86 states have internal predecessors, (91), 51 states have call successors, (51), 32 states have call predecessors, (51), 32 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:08,014 INFO L93 Difference]: Finished difference Result 244 states and 297 transitions. [2023-03-31 23:59:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:59:08,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-03-31 23:59:08,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:08,031 INFO L225 Difference]: With dead ends: 244 [2023-03-31 23:59:08,031 INFO L226 Difference]: Without dead ends: 124 [2023-03-31 23:59:08,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:59:08,040 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:08,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:08,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-03-31 23:59:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-03-31 23:59:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 74 states have internal predecessors, (77), 36 states have call successors, (36), 30 states have call predecessors, (36), 25 states have return successors, (31), 26 states have call predecessors, (31), 31 states have call successors, (31) [2023-03-31 23:59:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2023-03-31 23:59:08,107 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2023-03-31 23:59:08,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:08,108 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2023-03-31 23:59:08,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2023-03-31 23:59:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-03-31 23:59:08,111 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:08,111 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:08,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:59:08,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:08,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:08,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1637638109, now seen corresponding path program 1 times [2023-03-31 23:59:08,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:08,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882897229] [2023-03-31 23:59:08,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:08,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:08,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882897229] [2023-03-31 23:59:08,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882897229] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:08,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:08,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:59:08,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406214468] [2023-03-31 23:59:08,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:08,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:59:08,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:08,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:59:08,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:08,255 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:08,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:08,328 INFO L93 Difference]: Finished difference Result 192 states and 222 transitions. [2023-03-31 23:59:08,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:59:08,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-03-31 23:59:08,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:08,330 INFO L225 Difference]: With dead ends: 192 [2023-03-31 23:59:08,330 INFO L226 Difference]: Without dead ends: 116 [2023-03-31 23:59:08,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:08,332 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:08,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 213 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-03-31 23:59:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-03-31 23:59:08,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 69 states have internal predecessors, (71), 33 states have call successors, (33), 29 states have call predecessors, (33), 25 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2023-03-31 23:59:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2023-03-31 23:59:08,344 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 53 [2023-03-31 23:59:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:08,344 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2023-03-31 23:59:08,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2023-03-31 23:59:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-03-31 23:59:08,346 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:08,346 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:08,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:59:08,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:08,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:08,347 INFO L85 PathProgramCache]: Analyzing trace with hash -153929878, now seen corresponding path program 1 times [2023-03-31 23:59:08,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:08,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347359769] [2023-03-31 23:59:08,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:08,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:08,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:08,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347359769] [2023-03-31 23:59:08,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347359769] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:08,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:08,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:08,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568339460] [2023-03-31 23:59:08,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:08,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:08,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:08,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:08,685 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 23:59:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:09,106 INFO L93 Difference]: Finished difference Result 348 states and 416 transitions. [2023-03-31 23:59:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:59:09,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 57 [2023-03-31 23:59:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:09,116 INFO L225 Difference]: With dead ends: 348 [2023-03-31 23:59:09,116 INFO L226 Difference]: Without dead ends: 257 [2023-03-31 23:59:09,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:59:09,124 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 262 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:09,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 496 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-03-31 23:59:09,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 245. [2023-03-31 23:59:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 127 states have (on average 1.2834645669291338) internal successors, (163), 150 states have internal predecessors, (163), 66 states have call successors, (66), 57 states have call predecessors, (66), 51 states have return successors, (63), 50 states have call predecessors, (63), 62 states have call successors, (63) [2023-03-31 23:59:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 292 transitions. [2023-03-31 23:59:09,177 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 292 transitions. Word has length 57 [2023-03-31 23:59:09,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:09,182 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 292 transitions. [2023-03-31 23:59:09,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 23:59:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 292 transitions. [2023-03-31 23:59:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-03-31 23:59:09,187 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:09,187 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:09,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:59:09,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:09,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:09,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1762677533, now seen corresponding path program 1 times [2023-03-31 23:59:09,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:09,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627338666] [2023-03-31 23:59:09,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:09,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 23:59:09,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:09,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627338666] [2023-03-31 23:59:09,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627338666] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:09,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:09,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:09,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361679425] [2023-03-31 23:59:09,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:09,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:09,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:09,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:09,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:09,421 INFO L87 Difference]: Start difference. First operand 245 states and 292 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 23:59:09,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:09,845 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2023-03-31 23:59:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 23:59:09,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-03-31 23:59:09,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:09,849 INFO L225 Difference]: With dead ends: 634 [2023-03-31 23:59:09,850 INFO L226 Difference]: Without dead ends: 414 [2023-03-31 23:59:09,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-03-31 23:59:09,863 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 145 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:09,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 285 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2023-03-31 23:59:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 363. [2023-03-31 23:59:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 194 states have (on average 1.2164948453608246) internal successors, (236), 214 states have internal predecessors, (236), 87 states have call successors, (87), 76 states have call predecessors, (87), 81 states have return successors, (109), 86 states have call predecessors, (109), 83 states have call successors, (109) [2023-03-31 23:59:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 432 transitions. [2023-03-31 23:59:09,908 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 432 transitions. Word has length 61 [2023-03-31 23:59:09,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:09,908 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 432 transitions. [2023-03-31 23:59:09,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 23:59:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 432 transitions. [2023-03-31 23:59:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-03-31 23:59:09,910 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:09,911 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] [2023-03-31 23:59:09,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:59:09,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:09,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:09,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1183153565, now seen corresponding path program 1 times [2023-03-31 23:59:09,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:09,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194126350] [2023-03-31 23:59:09,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:09,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:10,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:10,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194126350] [2023-03-31 23:59:10,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194126350] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:10,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:10,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 23:59:10,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630178127] [2023-03-31 23:59:10,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:10,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 23:59:10,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:10,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 23:59:10,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-03-31 23:59:10,223 INFO L87 Difference]: Start difference. First operand 363 states and 432 transitions. Second operand has 12 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2023-03-31 23:59:10,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:10,757 INFO L93 Difference]: Finished difference Result 1110 states and 1343 transitions. [2023-03-31 23:59:10,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-31 23:59:10,757 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) Word has length 79 [2023-03-31 23:59:10,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:10,762 INFO L225 Difference]: With dead ends: 1110 [2023-03-31 23:59:10,762 INFO L226 Difference]: Without dead ends: 772 [2023-03-31 23:59:10,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:10,764 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 343 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:10,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 818 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:10,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-03-31 23:59:10,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 750. [2023-03-31 23:59:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 421 states have (on average 1.2209026128266034) internal successors, (514), 456 states have internal predecessors, (514), 171 states have call successors, (171), 154 states have call predecessors, (171), 157 states have return successors, (211), 169 states have call predecessors, (211), 167 states have call successors, (211) [2023-03-31 23:59:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 896 transitions. [2023-03-31 23:59:10,865 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 896 transitions. Word has length 79 [2023-03-31 23:59:10,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:10,866 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 896 transitions. [2023-03-31 23:59:10,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 4 states have call successors, (15) [2023-03-31 23:59:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 896 transitions. [2023-03-31 23:59:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-03-31 23:59:10,869 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:10,870 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] [2023-03-31 23:59:10,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:59:10,870 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:10,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:10,871 INFO L85 PathProgramCache]: Analyzing trace with hash 219048098, now seen corresponding path program 1 times [2023-03-31 23:59:10,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:10,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877846151] [2023-03-31 23:59:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:10,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:11,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:11,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877846151] [2023-03-31 23:59:11,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877846151] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:11,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:11,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 23:59:11,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370240314] [2023-03-31 23:59:11,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:11,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 23:59:11,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:11,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 23:59:11,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 23:59:11,142 INFO L87 Difference]: Start difference. First operand 750 states and 896 transitions. Second operand has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-03-31 23:59:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:11,770 INFO L93 Difference]: Finished difference Result 2384 states and 2935 transitions. [2023-03-31 23:59:11,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 23:59:11,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 82 [2023-03-31 23:59:11,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:11,783 INFO L225 Difference]: With dead ends: 2384 [2023-03-31 23:59:11,784 INFO L226 Difference]: Without dead ends: 1821 [2023-03-31 23:59:11,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:11,787 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 252 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:11,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 611 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 23:59:11,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2023-03-31 23:59:11,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1541. [2023-03-31 23:59:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 869 states have (on average 1.2255466052934407) internal successors, (1065), 936 states have internal predecessors, (1065), 344 states have call successors, (344), 309 states have call predecessors, (344), 327 states have return successors, (448), 351 states have call predecessors, (448), 340 states have call successors, (448) [2023-03-31 23:59:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1857 transitions. [2023-03-31 23:59:11,958 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1857 transitions. Word has length 82 [2023-03-31 23:59:11,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:11,958 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 1857 transitions. [2023-03-31 23:59:11,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-03-31 23:59:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1857 transitions. [2023-03-31 23:59:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-03-31 23:59:11,961 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:11,962 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:11,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:59:11,962 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:11,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:11,962 INFO L85 PathProgramCache]: Analyzing trace with hash -813092951, now seen corresponding path program 1 times [2023-03-31 23:59:11,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:11,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775491295] [2023-03-31 23:59:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 23:59:12,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:12,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775491295] [2023-03-31 23:59:12,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775491295] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:12,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079543340] [2023-03-31 23:59:12,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:12,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:12,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:12,134 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) [2023-03-31 23:59:12,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:59:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:12,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 23:59:12,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:59:12,541 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-03-31 23:59:12,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079543340] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:12,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1570860970] [2023-03-31 23:59:12,952 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2023-03-31 23:59:12,952 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:12,956 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:12,960 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:12,961 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:13,198 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:13,241 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:13,447 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:13,508 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:13,513 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:13,516 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:14,588 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-03-31 23:59:14,605 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2023-03-31 23:59:14,735 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-03-31 23:59:14,745 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 28 for LOIs [2023-03-31 23:59:14,839 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2023-03-31 23:59:14,842 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:14,845 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 25 for LOIs [2023-03-31 23:59:14,862 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 31 for LOIs [2023-03-31 23:59:14,870 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:14,874 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:14,877 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:14,880 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 36 for LOIs [2023-03-31 23:59:14,921 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:14,992 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:15,021 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:15,028 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:15,033 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:18,506 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12550#(and (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:18,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:18,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:18,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 17 [2023-03-31 23:59:18,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018191662] [2023-03-31 23:59:18,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:18,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 23:59:18,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:18,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 23:59:18,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=3874, Unknown=0, NotChecked=0, Total=4290 [2023-03-31 23:59:18,511 INFO L87 Difference]: Start difference. First operand 1541 states and 1857 transitions. Second operand has 17 states, 12 states have (on average 9.333333333333334) internal successors, (112), 14 states have internal predecessors, (112), 7 states have call successors, (49), 6 states have call predecessors, (49), 10 states have return successors, (49), 10 states have call predecessors, (49), 7 states have call successors, (49) [2023-03-31 23:59:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:20,219 INFO L93 Difference]: Finished difference Result 3286 states and 4041 transitions. [2023-03-31 23:59:20,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-31 23:59:20,220 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 9.333333333333334) internal successors, (112), 14 states have internal predecessors, (112), 7 states have call successors, (49), 6 states have call predecessors, (49), 10 states have return successors, (49), 10 states have call predecessors, (49), 7 states have call successors, (49) Word has length 135 [2023-03-31 23:59:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:20,230 INFO L225 Difference]: With dead ends: 3286 [2023-03-31 23:59:20,230 INFO L226 Difference]: Without dead ends: 1923 [2023-03-31 23:59:20,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 349 SyntacticMatches, 11 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3490 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=697, Invalid=7493, Unknown=0, NotChecked=0, Total=8190 [2023-03-31 23:59:20,237 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 414 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2222 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 2222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:20,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 1150 Invalid, 2565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 2222 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 23:59:20,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2023-03-31 23:59:20,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1760. [2023-03-31 23:59:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 981 states have (on average 1.2008154943934761) internal successors, (1178), 1072 states have internal predecessors, (1178), 406 states have call successors, (406), 375 states have call predecessors, (406), 372 states have return successors, (475), 380 states have call predecessors, (475), 402 states have call successors, (475) [2023-03-31 23:59:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2059 transitions. [2023-03-31 23:59:20,355 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2059 transitions. Word has length 135 [2023-03-31 23:59:20,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:20,356 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2059 transitions. [2023-03-31 23:59:20,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 9.333333333333334) internal successors, (112), 14 states have internal predecessors, (112), 7 states have call successors, (49), 6 states have call predecessors, (49), 10 states have return successors, (49), 10 states have call predecessors, (49), 7 states have call successors, (49) [2023-03-31 23:59:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2059 transitions. [2023-03-31 23:59:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-03-31 23:59:20,362 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:20,362 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:20,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:20,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:20,569 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:20,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:20,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1191606343, now seen corresponding path program 1 times [2023-03-31 23:59:20,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:20,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493550757] [2023-03-31 23:59:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:20,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-03-31 23:59:20,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493550757] [2023-03-31 23:59:20,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493550757] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518284718] [2023-03-31 23:59:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:20,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:20,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:20,815 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) [2023-03-31 23:59:20,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 23:59:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:20,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 23 conjunts are in the unsatisfiable core [2023-03-31 23:59:20,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 23:59:21,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-03-31 23:59:21,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518284718] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:21,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [651438599] [2023-03-31 23:59:21,508 INFO L159 IcfgInterpreter]: Started Sifa with 100 locations of interest [2023-03-31 23:59:21,508 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:21,509 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:21,509 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:21,510 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:21,609 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:21,635 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:21,742 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:21,785 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:22,502 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-03-31 23:59:22,510 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2023-03-31 23:59:22,643 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-03-31 23:59:22,649 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 36 for LOIs [2023-03-31 23:59:22,785 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 30 for LOIs [2023-03-31 23:59:22,802 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 30 for LOIs [2023-03-31 23:59:22,804 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:22,862 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:22,886 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:22,891 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:22,895 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 38 for LOIs [2023-03-31 23:59:22,899 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:22,901 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:22,902 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 29 for LOIs [2023-03-31 23:59:22,953 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:22,957 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 29 for LOIs [2023-03-31 23:59:22,959 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 25 for LOIs [2023-03-31 23:59:22,972 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 31 for LOIs [2023-03-31 23:59:22,978 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:22,981 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:22,984 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:22,985 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:27,243 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '20886#(and (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:27,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:27,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:27,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2023-03-31 23:59:27,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176269353] [2023-03-31 23:59:27,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:27,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 23:59:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 23:59:27,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=5694, Unknown=0, NotChecked=0, Total=6162 [2023-03-31 23:59:27,247 INFO L87 Difference]: Start difference. First operand 1760 states and 2059 transitions. Second operand has 20 states, 14 states have (on average 9.0) internal successors, (126), 15 states have internal predecessors, (126), 5 states have call successors, (57), 4 states have call predecessors, (57), 11 states have return successors, (55), 10 states have call predecessors, (55), 5 states have call successors, (55) [2023-03-31 23:59:28,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:28,972 INFO L93 Difference]: Finished difference Result 7703 states and 9409 transitions. [2023-03-31 23:59:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-03-31 23:59:28,973 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 14 states have (on average 9.0) internal successors, (126), 15 states have internal predecessors, (126), 5 states have call successors, (57), 4 states have call predecessors, (57), 11 states have return successors, (55), 10 states have call predecessors, (55), 5 states have call successors, (55) Word has length 180 [2023-03-31 23:59:28,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:29,007 INFO L225 Difference]: With dead ends: 7703 [2023-03-31 23:59:29,007 INFO L226 Difference]: Without dead ends: 5989 [2023-03-31 23:59:29,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 467 SyntacticMatches, 12 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4210 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=662, Invalid=10680, Unknown=0, NotChecked=0, Total=11342 [2023-03-31 23:59:29,022 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 356 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 2682 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:29,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 2682 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2129 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-03-31 23:59:29,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5989 states. [2023-03-31 23:59:29,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5989 to 5066. [2023-03-31 23:59:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 2879 states have (on average 1.1945119833275444) internal successors, (3439), 3115 states have internal predecessors, (3439), 1104 states have call successors, (1104), 1054 states have call predecessors, (1104), 1082 states have return successors, (1466), 1079 states have call predecessors, (1466), 1100 states have call successors, (1466) [2023-03-31 23:59:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 6009 transitions. [2023-03-31 23:59:29,410 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 6009 transitions. Word has length 180 [2023-03-31 23:59:29,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:29,412 INFO L495 AbstractCegarLoop]: Abstraction has 5066 states and 6009 transitions. [2023-03-31 23:59:29,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 14 states have (on average 9.0) internal successors, (126), 15 states have internal predecessors, (126), 5 states have call successors, (57), 4 states have call predecessors, (57), 11 states have return successors, (55), 10 states have call predecessors, (55), 5 states have call successors, (55) [2023-03-31 23:59:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 6009 transitions. [2023-03-31 23:59:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-31 23:59:29,421 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:29,421 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 23:59:29,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-31 23:59:29,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-03-31 23:59:29,628 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:29,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:29,628 INFO L85 PathProgramCache]: Analyzing trace with hash 361696072, now seen corresponding path program 1 times [2023-03-31 23:59:29,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:29,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591108518] [2023-03-31 23:59:29,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:29,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 52 proven. 19 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-03-31 23:59:30,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:30,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591108518] [2023-03-31 23:59:30,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591108518] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:30,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004147356] [2023-03-31 23:59:30,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:30,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:30,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:59:30,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 23:59:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:30,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 46 conjunts are in the unsatisfiable core [2023-03-31 23:59:30,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:30,924 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 89 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-31 23:59:30,924 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-03-31 23:59:32,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004147356] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:32,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1063342479] [2023-03-31 23:59:32,469 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2023-03-31 23:59:32,469 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:32,470 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:32,470 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:32,470 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:32,566 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:32,593 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:32,751 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:32,805 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:33,505 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-03-31 23:59:33,510 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2023-03-31 23:59:33,601 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-03-31 23:59:33,605 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 36 for LOIs [2023-03-31 23:59:33,693 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 30 for LOIs [2023-03-31 23:59:33,706 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 30 for LOIs [2023-03-31 23:59:33,709 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:33,759 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:33,779 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:33,804 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:33,807 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 38 for LOIs [2023-03-31 23:59:33,811 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 34 for LOIs [2023-03-31 23:59:33,816 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:33,818 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:33,820 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 29 for LOIs [2023-03-31 23:59:33,869 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:33,872 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 29 for LOIs [2023-03-31 23:59:33,874 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 25 for LOIs [2023-03-31 23:59:33,886 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 31 for LOIs [2023-03-31 23:59:33,891 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:33,894 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:33,896 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:33,898 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:38,552 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '40184#(and (<= ~pumpRunning~0 1) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:38,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:38,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:38,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 15] total 35 [2023-03-31 23:59:38,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633420228] [2023-03-31 23:59:38,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:38,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-03-31 23:59:38,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:38,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-03-31 23:59:38,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=636, Invalid=8484, Unknown=0, NotChecked=0, Total=9120 [2023-03-31 23:59:38,561 INFO L87 Difference]: Start difference. First operand 5066 states and 6009 transitions. Second operand has 35 states, 27 states have (on average 5.296296296296297) internal successors, (143), 27 states have internal predecessors, (143), 13 states have call successors, (56), 5 states have call predecessors, (56), 19 states have return successors, (60), 22 states have call predecessors, (60), 12 states have call successors, (60) [2023-03-31 23:59:40,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:40,930 INFO L93 Difference]: Finished difference Result 9335 states and 11345 transitions. [2023-03-31 23:59:40,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-03-31 23:59:40,931 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 27 states have (on average 5.296296296296297) internal successors, (143), 27 states have internal predecessors, (143), 13 states have call successors, (56), 5 states have call predecessors, (56), 19 states have return successors, (60), 22 states have call predecessors, (60), 12 states have call successors, (60) Word has length 188 [2023-03-31 23:59:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:40,934 INFO L225 Difference]: With dead ends: 9335 [2023-03-31 23:59:40,934 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:59:40,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 496 SyntacticMatches, 15 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7368 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1336, Invalid=16486, Unknown=0, NotChecked=0, Total=17822 [2023-03-31 23:59:40,958 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 880 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 2400 mSolverCounterSat, 899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 3299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 899 IncrementalHoareTripleChecker+Valid, 2400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:40,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 691 Invalid, 3299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [899 Valid, 2400 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-03-31 23:59:40,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:59:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:59:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 23:59:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:59:40,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2023-03-31 23:59:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:40,961 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:59:40,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 27 states have (on average 5.296296296296297) internal successors, (143), 27 states have internal predecessors, (143), 13 states have call successors, (56), 5 states have call predecessors, (56), 19 states have return successors, (60), 22 states have call predecessors, (60), 12 states have call successors, (60) [2023-03-31 23:59:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:59:40,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:59:40,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:59:40,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:41,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:41,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:59:56,712 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L416-2(lines 416 437) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L438(lines 415 439) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 391 446) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 391 446) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L473-2(lines 473 498) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 447 506) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L499(lines 472 500) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-03-31 23:59:56,713 INFO L899 garLoopResultBuilder]: For program point L492-1(line 492) no Hoare annotation was computed. [2023-03-31 23:59:56,714 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 447 506) no Hoare annotation was computed. [2023-03-31 23:59:56,714 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 447 506) no Hoare annotation was computed. [2023-03-31 23:59:56,714 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 890 898) no Hoare annotation was computed. [2023-03-31 23:59:56,714 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 898) the Hoare annotation is: true [2023-03-31 23:59:56,714 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2023-03-31 23:59:56,714 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~8 1))) [2023-03-31 23:59:56,714 INFO L895 garLoopResultBuilder]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~8 1))) [2023-03-31 23:59:56,714 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 849) no Hoare annotation was computed. [2023-03-31 23:59:56,714 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 832 854) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2023-03-31 23:59:56,715 INFO L895 garLoopResultBuilder]: At program point L839(line 839) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,715 INFO L895 garLoopResultBuilder]: At program point L838(line 838) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,715 INFO L895 garLoopResultBuilder]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed. [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point L799(line 799) no Hoare annotation was computed. [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point L798(line 798) no Hoare annotation was computed. [2023-03-31 23:59:56,715 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L793(line 793) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L792(line 792) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 787 810) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2023-03-31 23:59:56,716 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 243 257) no Hoare annotation was computed. [2023-03-31 23:59:56,717 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 243 257) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (= |old(~systemActive~0)| 0)) (.cse1 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3 .cse4) (or .cse5 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse7 .cse6 .cse3 .cse8) (or .cse5 .cse7 (not .cse0) .cse3 .cse8) (or .cse5 .cse7 .cse1 .cse3 .cse8))) [2023-03-31 23:59:56,717 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (= |old(~systemActive~0)| 0)) (.cse1 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3 .cse4) (or .cse5 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse7 .cse6 .cse3 .cse8) (or .cse5 .cse7 (not .cse0) .cse3 .cse8) (or .cse5 .cse7 .cse1 .cse3 .cse8))) [2023-03-31 23:59:56,717 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2023-03-31 23:59:56,717 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 876 882) no Hoare annotation was computed. [2023-03-31 23:59:56,717 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 876 882) the Hoare annotation is: true [2023-03-31 23:59:56,717 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 658 703) no Hoare annotation was computed. [2023-03-31 23:59:56,717 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 658 703) no Hoare annotation was computed. [2023-03-31 23:59:56,717 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 979 992) the Hoare annotation is: true [2023-03-31 23:59:56,717 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 979 992) no Hoare annotation was computed. [2023-03-31 23:59:56,717 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 127 151) no Hoare annotation was computed. [2023-03-31 23:59:56,718 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:59:56,718 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2023-03-31 23:59:56,718 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (= 0 ~systemActive~0))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse3) (or (and (= 0 processEnvironment_~tmp~1) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2 .cse3))) [2023-03-31 23:59:56,718 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 151) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)))) [2023-03-31 23:59:56,718 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 .cse2 .cse3 .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~1) (= ~pumpRunning~0 1))) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse0))) [2023-03-31 23:59:56,718 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2023-03-31 23:59:56,718 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)))) [2023-03-31 23:59:56,718 INFO L899 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2023-03-31 23:59:56,718 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2023-03-31 23:59:56,718 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2023-03-31 23:59:56,719 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2023-03-31 23:59:56,719 INFO L895 garLoopResultBuilder]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)))) [2023-03-31 23:59:56,719 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 324) no Hoare annotation was computed. [2023-03-31 23:59:56,719 INFO L895 garLoopResultBuilder]: At program point L318-1(lines 310 325) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3))) [2023-03-31 23:59:56,719 INFO L899 garLoopResultBuilder]: For program point L281(lines 280 329) no Hoare annotation was computed. [2023-03-31 23:59:56,719 INFO L895 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse2) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) .cse2) (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2023-03-31 23:59:56,719 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 270 337) no Hoare annotation was computed. [2023-03-31 23:59:56,719 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2023-03-31 23:59:56,719 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3))) [2023-03-31 23:59:56,719 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2023-03-31 23:59:56,719 INFO L899 garLoopResultBuilder]: For program point L300-1(lines 300 306) no Hoare annotation was computed. [2023-03-31 23:59:56,720 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 337) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,720 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 329) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse1 (= ~methaneLevelCritical~0 0) .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3) (and .cse4 .cse1 .cse5))) [2023-03-31 23:59:56,720 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= 2 ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3 .cse4) (not .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse7))) [2023-03-31 23:59:56,720 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2023-03-31 23:59:56,720 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2023-03-31 23:59:56,720 INFO L895 garLoopResultBuilder]: At program point L330(lines 279 331) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,720 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 270 337) no Hoare annotation was computed. [2023-03-31 23:59:56,720 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 947 969) no Hoare annotation was computed. [2023-03-31 23:59:56,720 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 947 969) no Hoare annotation was computed. [2023-03-31 23:59:56,720 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 152 159) no Hoare annotation was computed. [2023-03-31 23:59:56,720 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 152 159) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-03-31 23:59:56,720 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 224 242) no Hoare annotation was computed. [2023-03-31 23:59:56,721 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 224 242) the Hoare annotation is: true [2023-03-31 23:59:56,721 INFO L902 garLoopResultBuilder]: At program point L231(line 231) the Hoare annotation is: true [2023-03-31 23:59:56,721 INFO L899 garLoopResultBuilder]: For program point L231-1(line 231) no Hoare annotation was computed. [2023-03-31 23:59:56,721 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 970 978) the Hoare annotation is: true [2023-03-31 23:59:56,721 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 970 978) no Hoare annotation was computed. [2023-03-31 23:59:56,721 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 938 946) the Hoare annotation is: true [2023-03-31 23:59:56,721 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 938 946) no Hoare annotation was computed. [2023-03-31 23:59:56,721 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (and (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse4)) .cse5 .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse4 (not .cse2)) (< 2 |old(~waterLevel~0)|)) (or .cse1 (and (= ~waterLevel~0 1) .cse5 .cse6) (not (= |old(~waterLevel~0)| 2)) .cse2)))) [2023-03-31 23:59:56,721 INFO L895 garLoopResultBuilder]: At program point L80(lines 80 86) the Hoare annotation is: (let ((.cse11 (= |old(~waterLevel~0)| 2)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse10))) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (not .cse7)) (.cse8 (not .cse1)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse12 (= ~waterLevel~0 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse13 (not .cse11))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse8 .cse6 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse7 (and .cse3 .cse4 .cse9)) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 .cse10) (and (= 2 ~waterLevel~0) .cse5 .cse11 .cse9) (< 2 |old(~waterLevel~0)|)) (or .cse1 (and .cse2 .cse12 .cse4 .cse5) .cse6 .cse13 .cse7) (or .cse8 .cse6 (and .cse12 .cse4 .cse9) .cse13 .cse7)))) [2023-03-31 23:59:56,721 INFO L895 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1))) (let ((.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3))) (and (or .cse0 .cse1 (<= |old(~waterLevel~0)| 1) (and (= 2 ~waterLevel~0) .cse2 .cse3) .cse4) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse4 .cse5) (or (not (= |old(~pumpRunning~0)| 0)) .cse4) (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse1 .cse5)))) [2023-03-31 23:59:56,721 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 92) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1))) (let ((.cse6 (and .cse9 .cse8)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse5 .cse2 .cse6) (or (not .cse7) .cse3 .cse4 .cse5 .cse1 .cse2) (or .cse3 .cse5 (<= |old(~waterLevel~0)| 1) .cse2 (and (= 2 ~waterLevel~0) .cse8)) (or .cse0 (and (= ~pumpRunning~0 0) .cse9) .cse2)))) [2023-03-31 23:59:56,722 INFO L899 garLoopResultBuilder]: For program point L73(lines 69 91) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L899 garLoopResultBuilder]: For program point L71(lines 69 91) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L902 garLoopResultBuilder]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2023-03-31 23:59:56,722 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2023-03-31 23:59:56,722 INFO L899 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L902 garLoopResultBuilder]: At program point L782(lines 757 786) the Hoare annotation is: true [2023-03-31 23:59:56,722 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 757 786) the Hoare annotation is: true [2023-03-31 23:59:56,722 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2023-03-31 23:59:56,722 INFO L902 garLoopResultBuilder]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2023-03-31 23:59:56,723 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 902 913) no Hoare annotation was computed. [2023-03-31 23:59:56,723 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 913) the Hoare annotation is: (let ((.cse0 (< ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or (= 2 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2))) [2023-03-31 23:59:56,723 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2023-03-31 23:59:56,723 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 258 265) the Hoare annotation is: true [2023-03-31 23:59:56,723 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2023-03-31 23:59:56,723 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-03-31 23:59:56,723 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2023-03-31 23:59:56,723 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (or (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (<= 2 ~waterLevel~0)))) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2023-03-31 23:59:56,723 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 2 ~waterLevel~0)) .cse0))) [2023-03-31 23:59:56,723 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2023-03-31 23:59:56,723 INFO L895 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:59:56,723 INFO L899 garLoopResultBuilder]: For program point L107-1(line 107) no Hoare annotation was computed. [2023-03-31 23:59:56,724 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 125) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:59:56,724 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2023-03-31 23:59:56,724 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 914 925) no Hoare annotation was computed. [2023-03-31 23:59:56,724 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~pumpRunning~0 1))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse7 (= ~waterLevel~0 1)) (or .cse1 .cse6 .cse2 .cse7) (or .cse3 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse5 .cse6 .cse4 .cse7))) [2023-03-31 23:59:56,724 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 856 863) the Hoare annotation is: true [2023-03-31 23:59:56,724 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2023-03-31 23:59:56,724 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2023-03-31 23:59:56,724 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 883 889) the Hoare annotation is: true [2023-03-31 23:59:56,724 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 883 889) no Hoare annotation was computed. [2023-03-31 23:59:56,724 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 708 715) no Hoare annotation was computed. [2023-03-31 23:59:56,724 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 708 715) the Hoare annotation is: true [2023-03-31 23:59:56,724 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 716 725) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 716 725) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (< 1 ~waterLevel~0) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (< 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 1)) (= 0 ~systemActive~0) .cse2 (< |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) [2023-03-31 23:59:56,725 INFO L895 garLoopResultBuilder]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= ~pumpRunning~0 0)) (and (<= ~waterLevel~0 1) .cse0)) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point L736-1(line 736) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 751) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L902 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: true [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point L732-1(line 732) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 726 754) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 726 754) the Hoare annotation is: true [2023-03-31 23:59:56,725 INFO L895 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) (not (= ~pumpRunning~0 0))) (or (< ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1))) [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2023-03-31 23:59:56,725 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 748) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point L218-1(line 218) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 188 223) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 188 223) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 345 390) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 345 390) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 818 828) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,726 INFO L895 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L902 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: true [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2023-03-31 23:59:56,726 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 168 178) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 178) the Hoare annotation is: true [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 160 167) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 1))) (let ((.cse3 (and .cse5 (not .cse2) .cse4)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not .cse5))) (and (or .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3) (or .cse0 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse4)))) [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 612 657) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 612 657) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point L574(line 574) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point L574-1(line 574) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 537) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 578) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 509 611) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 509 611) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point L579(lines 557 580) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 554) no Hoare annotation was computed. [2023-03-31 23:59:56,727 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 509 611) no Hoare annotation was computed. [2023-03-31 23:59:56,728 INFO L899 garLoopResultBuilder]: For program point L559(lines 558 578) no Hoare annotation was computed. [2023-03-31 23:59:56,728 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-31 23:59:56,728 INFO L899 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2023-03-31 23:59:56,728 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 596) no Hoare annotation was computed. [2023-03-31 23:59:56,728 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 866 875) no Hoare annotation was computed. [2023-03-31 23:59:56,728 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 866 875) no Hoare annotation was computed. [2023-03-31 23:59:56,728 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-03-31 23:59:56,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:56,731 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 926 937) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| 0)) (.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse1 (not .cse6)) (.cse4 (not .cse0)) (.cse7 (< 1 ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse3 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse4 .cse6 .cse8 .cse2 .cse3) (or .cse5 .cse0 .cse7 .cse1) (or .cse4 .cse5 .cse6 .cse8) (or .cse5 .cse8 .cse0 .cse1) (or .cse4 .cse6 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse7 .cse2 .cse3)))) [2023-03-31 23:59:56,731 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 926 937) no Hoare annotation was computed. [2023-03-31 23:59:56,731 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:56,731 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:59:56,731 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2023-03-31 23:59:56,731 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2023-03-31 23:59:56,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:56,731 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 23:59:56,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:59:56,732 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:59:56,734 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:56,736 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:59:56,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:59:56 BoogieIcfgContainer [2023-03-31 23:59:56,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:59:56,747 INFO L158 Benchmark]: Toolchain (without parser) took 50772.87ms. Allocated memory was 329.3MB in the beginning and 868.2MB in the end (delta: 539.0MB). Free memory was 283.7MB in the beginning and 457.8MB in the end (delta: -174.1MB). Peak memory consumption was 525.7MB. Max. memory is 8.0GB. [2023-03-31 23:59:56,747 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:59:56,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.55ms. Allocated memory is still 329.3MB. Free memory was 283.7MB in the beginning and 264.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:59:56,748 INFO L158 Benchmark]: Boogie Preprocessor took 105.82ms. Allocated memory is still 329.3MB. Free memory was 264.8MB in the beginning and 261.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:59:56,748 INFO L158 Benchmark]: RCFGBuilder took 896.43ms. Allocated memory is still 329.3MB. Free memory was 261.3MB in the beginning and 273.4MB in the end (delta: -12.1MB). Peak memory consumption was 41.6MB. Max. memory is 8.0GB. [2023-03-31 23:59:56,748 INFO L158 Benchmark]: TraceAbstraction took 49241.32ms. Allocated memory was 329.3MB in the beginning and 868.2MB in the end (delta: 539.0MB). Free memory was 272.9MB in the beginning and 457.8MB in the end (delta: -184.9MB). Peak memory consumption was 514.5MB. Max. memory is 8.0GB. [2023-03-31 23:59:56,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 524.55ms. Allocated memory is still 329.3MB. Free memory was 283.7MB in the beginning and 264.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 105.82ms. Allocated memory is still 329.3MB. Free memory was 264.8MB in the beginning and 261.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 896.43ms. Allocated memory is still 329.3MB. Free memory was 261.3MB in the beginning and 273.4MB in the end (delta: -12.1MB). Peak memory consumption was 41.6MB. Max. memory is 8.0GB. * TraceAbstraction took 49241.32ms. Allocated memory was 329.3MB in the beginning and 868.2MB in the end (delta: 539.0MB). Free memory was 272.9MB in the beginning and 457.8MB in the end (delta: -184.9MB). Peak memory consumption was 514.5MB. 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: 860]: 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 43 procedures, 196 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.2s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2737 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2663 mSDsluCounter, 7081 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5811 mSDsCounter, 1787 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8772 IncrementalHoareTripleChecker+Invalid, 10559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1787 mSolverCounterUnsat, 1270 mSDtfsCounter, 8772 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1761 GetRequests, 1344 SyntacticMatches, 39 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15161 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5066occurred in iteration=8, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 1451 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 6318 PreInvPairs, 7085 NumberOfFragments, 2330 HoareAnnotationTreeSize, 6318 FomulaSimplifications, 107990 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 66 FomulaSimplificationsInter, 102369 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1390 NumberOfCodeBlocks, 1390 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1878 ConstructedInterpolants, 0 QuantifiedInterpolants, 3436 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1853 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 799/879 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: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || (((2 == waterLevel && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) && pumpRunning == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 23:59:56,807 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