/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 06:02:41,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 06:02:41,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 06:02:41,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 06:02:41,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 06:02:41,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 06:02:41,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 06:02:41,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 06:02:41,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 06:02:41,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 06:02:41,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 06:02:41,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 06:02:41,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 06:02:41,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 06:02:41,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 06:02:41,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 06:02:41,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 06:02:41,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 06:02:41,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 06:02:41,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 06:02:41,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 06:02:41,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 06:02:41,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 06:02:41,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 06:02:41,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 06:02:41,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 06:02:41,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 06:02:41,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 06:02:41,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 06:02:41,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 06:02:41,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 06:02:41,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 06:02:41,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 06:02:41,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 06:02:41,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 06:02:41,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 06:02:41,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 06:02:41,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 06:02:41,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 06:02:41,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 06:02:41,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 06:02:41,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 06:02:41,320 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 06:02:41,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 06:02:41,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 06:02:41,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 06:02:41,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 06:02:41,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 06:02:41,322 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 06:02:41,322 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 06:02:41,322 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 06:02:41,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 06:02:41,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 06:02:41,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:02:41,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 06:02:41,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 06:02:41,325 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 06:02:41,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 06:02:41,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 06:02:41,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 06:02:41,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 06:02:41,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 06:02:41,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 06:02:41,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 06:02:41,677 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 06:02:41,677 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 06:02:41,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2023-04-01 06:02:43,080 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 06:02:43,291 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 06:02:43,292 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2023-04-01 06:02:43,304 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105e2a1df/eafbc64aa1f94b2e9571e4026a5f2401/FLAG49346dd08 [2023-04-01 06:02:43,346 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105e2a1df/eafbc64aa1f94b2e9571e4026a5f2401 [2023-04-01 06:02:43,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 06:02:43,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 06:02:43,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 06:02:43,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 06:02:43,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 06:02:43,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1188f7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43, skipping insertion in model container [2023-04-01 06:02:43,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 06:02:43,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 06:02:43,716 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_product48.cil.c[11292,11305] [2023-04-01 06:02:43,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:02:43,772 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 06:02:43,821 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_product48.cil.c[11292,11305] [2023-04-01 06:02:43,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:02:43,852 INFO L208 MainTranslator]: Completed translation [2023-04-01 06:02:43,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43 WrapperNode [2023-04-01 06:02:43,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 06:02:43,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 06:02:43,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 06:02:43,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 06:02:43,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,919 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 06:02:43,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 06:02:43,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 06:02:43,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 06:02:43,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (1/1) ... [2023-04-01 06:02:43,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:02:43,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:02:43,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 06:02:43,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 06:02:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 06:02:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 06:02:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 06:02:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 06:02:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 06:02:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 06:02:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 06:02:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 06:02:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 06:02:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 06:02:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 06:02:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 06:02:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 06:02:44,046 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 06:02:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 06:02:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 06:02:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 06:02:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 06:02:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 06:02:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 06:02:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 06:02:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 06:02:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 06:02:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 06:02:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 06:02:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 06:02:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 06:02:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 06:02:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 06:02:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 06:02:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 06:02:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 06:02:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 06:02:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-01 06:02:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 06:02:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 06:02:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-01 06:02:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-01 06:02:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 06:02:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 06:02:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 06:02:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 06:02:44,226 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 06:02:44,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 06:02:44,687 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 06:02:44,765 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 06:02:44,765 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 06:02:44,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:02:44 BoogieIcfgContainer [2023-04-01 06:02:44,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 06:02:44,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 06:02:44,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 06:02:44,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 06:02:44,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 06:02:43" (1/3) ... [2023-04-01 06:02:44,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15612e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:02:44, skipping insertion in model container [2023-04-01 06:02:44,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:43" (2/3) ... [2023-04-01 06:02:44,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15612e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:02:44, skipping insertion in model container [2023-04-01 06:02:44,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:02:44" (3/3) ... [2023-04-01 06:02:44,772 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2023-04-01 06:02:44,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 06:02:44,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 06:02:44,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 06:02:44,822 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;@d482e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 06:02:44,822 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 06:02:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 75 states have (on average 1.28) internal successors, (96), 91 states have internal predecessors, (96), 53 states have call successors, (53), 33 states have call predecessors, (53), 33 states have return successors, (53), 48 states have call predecessors, (53), 53 states have call successors, (53) [2023-04-01 06:02:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 06:02:44,833 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:44,833 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:44,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:44,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash -768840656, now seen corresponding path program 1 times [2023-04-01 06:02:44,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:44,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176898722] [2023-04-01 06:02:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:44,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:45,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:45,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176898722] [2023-04-01 06:02:45,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176898722] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:45,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:45,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 06:02:45,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870739693] [2023-04-01 06:02:45,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:45,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 06:02:45,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:45,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 06:02:45,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 06:02:45,069 INFO L87 Difference]: Start difference. First operand has 164 states, 75 states have (on average 1.28) internal successors, (96), 91 states have internal predecessors, (96), 53 states have call successors, (53), 33 states have call predecessors, (53), 33 states have return successors, (53), 48 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 06:02:45,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:45,168 INFO L93 Difference]: Finished difference Result 258 states and 315 transitions. [2023-04-01 06:02:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 06:02:45,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-01 06:02:45,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:45,181 INFO L225 Difference]: With dead ends: 258 [2023-04-01 06:02:45,181 INFO L226 Difference]: Without dead ends: 131 [2023-04-01 06:02:45,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 06:02:45,190 INFO L413 NwaCegarLoop]: 144 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, 144 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:45,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 06:02:45,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-04-01 06:02:45,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-04-01 06:02:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 66 states have (on average 1.2424242424242424) internal successors, (82), 79 states have internal predecessors, (82), 38 states have call successors, (38), 31 states have call predecessors, (38), 26 states have return successors, (33), 28 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-01 06:02:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2023-04-01 06:02:45,242 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 52 [2023-04-01 06:02:45,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:45,242 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2023-04-01 06:02:45,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 06:02:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2023-04-01 06:02:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-01 06:02:45,252 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:45,252 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:45,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 06:02:45,252 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:45,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:45,253 INFO L85 PathProgramCache]: Analyzing trace with hash -916074228, now seen corresponding path program 1 times [2023-04-01 06:02:45,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:45,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703791319] [2023-04-01 06:02:45,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:45,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:45,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:45,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703791319] [2023-04-01 06:02:45,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703791319] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:45,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:45,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 06:02:45,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029228937] [2023-04-01 06:02:45,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:45,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 06:02:45,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:45,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 06:02:45,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:02:45,376 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 06:02:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:45,441 INFO L93 Difference]: Finished difference Result 206 states and 240 transitions. [2023-04-01 06:02:45,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 06:02:45,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-01 06:02:45,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:45,444 INFO L225 Difference]: With dead ends: 206 [2023-04-01 06:02:45,445 INFO L226 Difference]: Without dead ends: 123 [2023-04-01 06:02:45,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:02:45,448 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 11 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 231 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 [2023-04-01 06:02:45,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 231 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 06:02:45,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-04-01 06:02:45,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-04-01 06:02:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 74 states have internal predecessors, (76), 35 states have call successors, (35), 30 states have call predecessors, (35), 26 states have return successors, (31), 26 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-01 06:02:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2023-04-01 06:02:45,458 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 53 [2023-04-01 06:02:45,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:45,458 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2023-04-01 06:02:45,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 06:02:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2023-04-01 06:02:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-01 06:02:45,462 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:45,462 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:45,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 06:02:45,462 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:45,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash 262094226, now seen corresponding path program 1 times [2023-04-01 06:02:45,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460146187] [2023-04-01 06:02:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:45,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:45,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460146187] [2023-04-01 06:02:45,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460146187] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:45,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:45,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 06:02:45,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824435372] [2023-04-01 06:02:45,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:45,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 06:02:45,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:45,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 06:02:45,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 06:02:45,680 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-01 06:02:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:45,931 INFO L93 Difference]: Finished difference Result 369 states and 443 transitions. [2023-04-01 06:02:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 06:02:45,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 57 [2023-04-01 06:02:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:45,934 INFO L225 Difference]: With dead ends: 369 [2023-04-01 06:02:45,934 INFO L226 Difference]: Without dead ends: 271 [2023-04-01 06:02:45,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 06:02:45,936 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 230 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:45,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 573 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 06:02:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2023-04-01 06:02:45,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 259. [2023-04-01 06:02:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 135 states have (on average 1.2814814814814814) internal successors, (173), 160 states have internal predecessors, (173), 70 states have call successors, (70), 59 states have call predecessors, (70), 53 states have return successors, (67), 54 states have call predecessors, (67), 66 states have call successors, (67) [2023-04-01 06:02:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 310 transitions. [2023-04-01 06:02:45,964 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 310 transitions. Word has length 57 [2023-04-01 06:02:45,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:45,965 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 310 transitions. [2023-04-01 06:02:45,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-01 06:02:45,965 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 310 transitions. [2023-04-01 06:02:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-01 06:02:45,966 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:45,966 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:45,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 06:02:45,966 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:45,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:45,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1067599562, now seen corresponding path program 1 times [2023-04-01 06:02:45,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:45,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570707812] [2023-04-01 06:02:45,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:45,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 06:02:46,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:46,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570707812] [2023-04-01 06:02:46,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570707812] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:46,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:46,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 06:02:46,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407052968] [2023-04-01 06:02:46,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:46,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 06:02:46,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:46,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 06:02:46,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 06:02:46,033 INFO L87 Difference]: Start difference. First operand 259 states and 310 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-01 06:02:46,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:46,184 INFO L93 Difference]: Finished difference Result 615 states and 765 transitions. [2023-04-01 06:02:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 06:02:46,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-04-01 06:02:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:46,187 INFO L225 Difference]: With dead ends: 615 [2023-04-01 06:02:46,187 INFO L226 Difference]: Without dead ends: 381 [2023-04-01 06:02:46,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 06:02:46,188 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 106 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:46,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 493 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 06:02:46,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2023-04-01 06:02:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 367. [2023-04-01 06:02:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 199 states have (on average 1.221105527638191) internal successors, (243), 221 states have internal predecessors, (243), 89 states have call successors, (89), 82 states have call predecessors, (89), 78 states have return successors, (101), 78 states have call predecessors, (101), 85 states have call successors, (101) [2023-04-01 06:02:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 433 transitions. [2023-04-01 06:02:46,241 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 433 transitions. Word has length 61 [2023-04-01 06:02:46,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:46,241 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 433 transitions. [2023-04-01 06:02:46,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-01 06:02:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 433 transitions. [2023-04-01 06:02:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-04-01 06:02:46,242 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:46,242 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:46,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 06:02:46,243 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:46,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:46,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1082872197, now seen corresponding path program 1 times [2023-04-01 06:02:46,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:46,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808233906] [2023-04-01 06:02:46,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:46,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:46,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:46,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808233906] [2023-04-01 06:02:46,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808233906] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:46,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:46,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-01 06:02:46,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520773661] [2023-04-01 06:02:46,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:46,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 06:02:46,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:46,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 06:02:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-01 06:02:46,493 INFO L87 Difference]: Start difference. First operand 367 states and 433 transitions. Second operand has 12 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-01 06:02:46,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:46,898 INFO L93 Difference]: Finished difference Result 1130 states and 1376 transitions. [2023-04-01 06:02:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-01 06:02:46,898 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) Word has length 92 [2023-04-01 06:02:46,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:46,901 INFO L225 Difference]: With dead ends: 1130 [2023-04-01 06:02:46,901 INFO L226 Difference]: Without dead ends: 788 [2023-04-01 06:02:46,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-01 06:02:46,903 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:46,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 969 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 06:02:46,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2023-04-01 06:02:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 766. [2023-04-01 06:02:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 431 states have (on average 1.2204176334106729) internal successors, (526), 468 states have internal predecessors, (526), 175 states have call successors, (175), 160 states have call predecessors, (175), 159 states have return successors, (221), 169 states have call predecessors, (221), 171 states have call successors, (221) [2023-04-01 06:02:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 922 transitions. [2023-04-01 06:02:46,945 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 922 transitions. Word has length 92 [2023-04-01 06:02:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:46,946 INFO L495 AbstractCegarLoop]: Abstraction has 766 states and 922 transitions. [2023-04-01 06:02:46,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-01 06:02:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 922 transitions. [2023-04-01 06:02:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-04-01 06:02:46,948 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:46,948 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:46,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 06:02:46,948 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:46,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash 421789228, now seen corresponding path program 1 times [2023-04-01 06:02:46,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:46,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603257711] [2023-04-01 06:02:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:46,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:47,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:47,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603257711] [2023-04-01 06:02:47,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603257711] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:47,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:47,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-01 06:02:47,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049204451] [2023-04-01 06:02:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:47,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 06:02:47,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:47,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 06:02:47,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-01 06:02:47,129 INFO L87 Difference]: Start difference. First operand 766 states and 922 transitions. Second operand has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-01 06:02:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:47,723 INFO L93 Difference]: Finished difference Result 2470 states and 3074 transitions. [2023-04-01 06:02:47,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-01 06:02:47,728 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 95 [2023-04-01 06:02:47,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:47,736 INFO L225 Difference]: With dead ends: 2470 [2023-04-01 06:02:47,736 INFO L226 Difference]: Without dead ends: 1891 [2023-04-01 06:02:47,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-04-01 06:02:47,754 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 284 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:47,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 648 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 06:02:47,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2023-04-01 06:02:47,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1625. [2023-04-01 06:02:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 912 states have (on average 1.2214912280701755) internal successors, (1114), 985 states have internal predecessors, (1114), 366 states have call successors, (366), 327 states have call predecessors, (366), 346 states have return successors, (501), 373 states have call predecessors, (501), 362 states have call successors, (501) [2023-04-01 06:02:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 1981 transitions. [2023-04-01 06:02:47,910 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 1981 transitions. Word has length 95 [2023-04-01 06:02:47,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:47,910 INFO L495 AbstractCegarLoop]: Abstraction has 1625 states and 1981 transitions. [2023-04-01 06:02:47,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-01 06:02:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1981 transitions. [2023-04-01 06:02:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-01 06:02:47,914 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:47,914 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:47,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 06:02:47,914 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:47,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:47,914 INFO L85 PathProgramCache]: Analyzing trace with hash 631599376, now seen corresponding path program 1 times [2023-04-01 06:02:47,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:47,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142848217] [2023-04-01 06:02:47,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:47,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-01 06:02:48,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:48,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142848217] [2023-04-01 06:02:48,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142848217] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:02:48,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657317015] [2023-04-01 06:02:48,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:48,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:02:48,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:02:48,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:02:48,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 06:02:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:48,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 06:02:48,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:02:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 06:02:48,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:02:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-01 06:02:48,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657317015] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:02:48,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [914493735] [2023-04-01 06:02:48,821 INFO L159 IcfgInterpreter]: Started Sifa with 108 locations of interest [2023-04-01 06:02:48,821 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:02:48,824 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:02:48,827 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:02:48,827 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:02:49,044 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-01 06:02:49,088 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-01 06:02:49,263 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-01 06:02:49,308 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-01 06:02:51,160 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 37 for LOIs [2023-04-01 06:02:51,168 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-01 06:02:51,552 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 50 for LOIs [2023-04-01 06:02:51,557 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 35 for LOIs [2023-04-01 06:02:51,768 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 40 for LOIs [2023-04-01 06:02:52,024 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-01 06:02:52,085 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-01 06:02:52,089 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-01 06:02:52,142 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 45 for LOIs [2023-04-01 06:02:52,165 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 45 for LOIs [2023-04-01 06:02:52,168 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-01 06:02:52,170 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-01 06:02:52,172 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-01 06:02:52,173 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-01 06:02:52,174 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-01 06:02:52,277 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-01 06:02:52,279 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-01 06:02:52,282 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 31 for LOIs [2023-04-01 06:02:52,368 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-01 06:02:52,369 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-01 06:02:52,371 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-01 06:02:52,373 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-01 06:02:52,374 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:02:57,538 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13050#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-01 06:02:57,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-01 06:02:57,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:02:57,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-01 06:02:57,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010771100] [2023-04-01 06:02:57,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 06:02:57,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-01 06:02:57,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:57,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-01 06:02:57,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=5920, Unknown=0, NotChecked=0, Total=6480 [2023-04-01 06:02:57,543 INFO L87 Difference]: Start difference. First operand 1625 states and 1981 transitions. Second operand has 19 states, 12 states have (on average 10.25) internal successors, (123), 15 states have internal predecessors, (123), 7 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 10 states have call predecessors, (54), 6 states have call successors, (54) [2023-04-01 06:02:59,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:59,256 INFO L93 Difference]: Finished difference Result 3649 states and 4642 transitions. [2023-04-01 06:02:59,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-01 06:02:59,257 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 10.25) internal successors, (123), 15 states have internal predecessors, (123), 7 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 10 states have call predecessors, (54), 6 states have call successors, (54) Word has length 148 [2023-04-01 06:02:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:59,268 INFO L225 Difference]: With dead ends: 3649 [2023-04-01 06:02:59,268 INFO L226 Difference]: Without dead ends: 2202 [2023-04-01 06:02:59,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 362 SyntacticMatches, 19 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5088 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=811, Invalid=10109, Unknown=0, NotChecked=0, Total=10920 [2023-04-01 06:02:59,289 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 336 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:59,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 2206 Invalid, 1752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 06:02:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2202 states. [2023-04-01 06:02:59,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2202 to 1917. [2023-04-01 06:02:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1071 states have (on average 1.2044817927170868) internal successors, (1290), 1179 states have internal predecessors, (1290), 440 states have call successors, (440), 409 states have call predecessors, (440), 405 states have return successors, (560), 402 states have call predecessors, (560), 436 states have call successors, (560) [2023-04-01 06:02:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2290 transitions. [2023-04-01 06:02:59,556 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2290 transitions. Word has length 148 [2023-04-01 06:02:59,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:59,558 INFO L495 AbstractCegarLoop]: Abstraction has 1917 states and 2290 transitions. [2023-04-01 06:02:59,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 10.25) internal successors, (123), 15 states have internal predecessors, (123), 7 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 10 states have call predecessors, (54), 6 states have call successors, (54) [2023-04-01 06:02:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2290 transitions. [2023-04-01 06:02:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-01 06:02:59,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:59,562 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:59,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 06:02:59,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:02:59,762 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:59,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:59,763 INFO L85 PathProgramCache]: Analyzing trace with hash -662487096, now seen corresponding path program 1 times [2023-04-01 06:02:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:59,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902720313] [2023-04-01 06:02:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:03:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 45 proven. 22 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-04-01 06:03:00,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:03:00,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902720313] [2023-04-01 06:03:00,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902720313] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:03:00,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033770255] [2023-04-01 06:03:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:03:00,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:03:00,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:03:00,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:03:00,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 06:03:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:03:00,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-01 06:03:00,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:03:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-01 06:03:00,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:03:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-04-01 06:03:00,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033770255] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:03:00,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [73836136] [2023-04-01 06:03:00,917 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2023-04-01 06:03:00,917 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:03:00,918 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:03:00,918 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:03:00,918 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:03:01,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-01 06:03:01,038 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-01 06:03:01,124 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-01 06:03:01,163 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-01 06:03:02,966 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 45 for LOIs [2023-04-01 06:03:02,972 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-01 06:03:03,123 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 36 for LOIs [2023-04-01 06:03:03,127 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 33 for LOIs [2023-04-01 06:03:03,163 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2023-04-01 06:03:03,264 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-01 06:03:03,321 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-01 06:03:03,325 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-01 06:03:03,377 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-04-01 06:03:03,471 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-04-01 06:03:03,478 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-01 06:03:03,480 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-01 06:03:03,481 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-01 06:03:03,483 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 32 for LOIs [2023-04-01 06:03:03,831 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-01 06:03:03,849 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 32 for LOIs [2023-04-01 06:03:03,856 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-01 06:03:03,901 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-01 06:03:03,903 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-01 06:03:03,906 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-01 06:03:03,908 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-01 06:03:03,910 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:03:10,352 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '22308#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-01 06:03:10,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-01 06:03:10,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:03:10,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-04-01 06:03:10,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790383861] [2023-04-01 06:03:10,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 06:03:10,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-01 06:03:10,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:03:10,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-01 06:03:10,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=6299, Unknown=0, NotChecked=0, Total=6806 [2023-04-01 06:03:10,356 INFO L87 Difference]: Start difference. First operand 1917 states and 2290 transitions. Second operand has 22 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 5 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (59), 11 states have call predecessors, (59), 5 states have call successors, (59) [2023-04-01 06:03:12,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:03:12,357 INFO L93 Difference]: Finished difference Result 7838 states and 9867 transitions. [2023-04-01 06:03:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-01 06:03:12,373 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 5 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (59), 11 states have call predecessors, (59), 5 states have call successors, (59) Word has length 206 [2023-04-01 06:03:12,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:03:12,402 INFO L225 Difference]: With dead ends: 7838 [2023-04-01 06:03:12,402 INFO L226 Difference]: Without dead ends: 5974 [2023-04-01 06:03:12,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 538 SyntacticMatches, 19 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6143 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=835, Invalid=14665, Unknown=0, NotChecked=0, Total=15500 [2023-04-01 06:03:12,415 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 378 mSDsluCounter, 3035 mSDsCounter, 0 mSdLazyCounter, 3042 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 3347 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:03:12,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 3347 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3042 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 06:03:12,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5974 states. [2023-04-01 06:03:12,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5974 to 5014. [2023-04-01 06:03:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5014 states, 2859 states have (on average 1.1888772298006296) internal successors, (3399), 3077 states have internal predecessors, (3399), 1106 states have call successors, (1106), 1060 states have call predecessors, (1106), 1048 states have return successors, (1429), 1029 states have call predecessors, (1429), 1102 states have call successors, (1429) [2023-04-01 06:03:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 5934 transitions. [2023-04-01 06:03:12,692 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 5934 transitions. Word has length 206 [2023-04-01 06:03:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:03:12,693 INFO L495 AbstractCegarLoop]: Abstraction has 5014 states and 5934 transitions. [2023-04-01 06:03:12,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 16 states have (on average 8.5625) internal successors, (137), 16 states have internal predecessors, (137), 5 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (59), 11 states have call predecessors, (59), 5 states have call successors, (59) [2023-04-01 06:03:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 5934 transitions. [2023-04-01 06:03:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-04-01 06:03:12,700 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:03:12,701 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:03:12,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 06:03:12,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-04-01 06:03:12,907 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:03:12,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:03:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1053914348, now seen corresponding path program 1 times [2023-04-01 06:03:12,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:03:12,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173948198] [2023-04-01 06:03:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:03:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:03:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:03:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 52 proven. 22 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-01 06:03:13,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:03:13,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173948198] [2023-04-01 06:03:13,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173948198] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:03:13,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707145978] [2023-04-01 06:03:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:03:13,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:03:13,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:03:13,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:03:13,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 06:03:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:03:13,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-01 06:03:13,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:03:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 108 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-01 06:03:14,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:03:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 66 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-01 06:03:15,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707145978] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:03:15,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1364348462] [2023-04-01 06:03:15,548 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-01 06:03:15,548 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:03:15,549 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:03:15,549 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:03:15,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:03:15,619 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-01 06:03:15,636 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-01 06:03:15,715 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-01 06:03:15,743 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-01 06:03:17,870 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2023-04-01 06:03:17,875 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-01 06:03:18,095 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 37 for LOIs [2023-04-01 06:03:18,099 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 39 for LOIs [2023-04-01 06:03:18,235 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 28 for LOIs [2023-04-01 06:03:18,324 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 26 for LOIs [2023-04-01 06:03:18,372 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 26 for LOIs [2023-04-01 06:03:18,375 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-04-01 06:03:18,407 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 42 for LOIs [2023-04-01 06:03:18,467 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 42 for LOIs [2023-04-01 06:03:18,473 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-01 06:03:18,474 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 43 for LOIs [2023-04-01 06:03:18,476 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 40 for LOIs [2023-04-01 06:03:18,480 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-01 06:03:18,481 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-01 06:03:18,482 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 48 for LOIs [2023-04-01 06:03:18,687 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 70 for LOIs [2023-04-01 06:03:18,692 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 48 for LOIs [2023-04-01 06:03:18,694 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 31 for LOIs [2023-04-01 06:03:18,711 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 28 for LOIs [2023-04-01 06:03:18,713 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-01 06:03:18,715 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-01 06:03:18,747 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-01 06:03:18,748 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:03:26,695 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '42002#(and (<= (+ ~pumpRunning~0 ~methaneLevelCritical~0) 2147483647) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-01 06:03:26,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-01 06:03:26,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:03:26,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-04-01 06:03:26,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19215701] [2023-04-01 06:03:26,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 06:03:26,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-01 06:03:26,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:03:26,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-01 06:03:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=10033, Unknown=0, NotChecked=0, Total=10712 [2023-04-01 06:03:26,700 INFO L87 Difference]: Start difference. First operand 5014 states and 5934 transitions. Second operand has 36 states, 27 states have (on average 5.7407407407407405) internal successors, (155), 27 states have internal predecessors, (155), 12 states have call successors, (64), 7 states have call predecessors, (64), 19 states have return successors, (69), 21 states have call predecessors, (69), 12 states have call successors, (69) [2023-04-01 06:03:28,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:03:28,710 INFO L93 Difference]: Finished difference Result 9220 states and 11248 transitions. [2023-04-01 06:03:28,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-01 06:03:28,710 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 27 states have (on average 5.7407407407407405) internal successors, (155), 27 states have internal predecessors, (155), 12 states have call successors, (64), 7 states have call predecessors, (64), 19 states have return successors, (69), 21 states have call predecessors, (69), 12 states have call successors, (69) Word has length 217 [2023-04-01 06:03:28,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:03:28,712 INFO L225 Difference]: With dead ends: 9220 [2023-04-01 06:03:28,712 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 06:03:28,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 557 SyntacticMatches, 28 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9496 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=1269, Invalid=18471, Unknown=0, NotChecked=0, Total=19740 [2023-04-01 06:03:28,743 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 773 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 3433 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 3433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:03:28,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 1038 Invalid, 4153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 3433 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 06:03:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 06:03:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 06:03:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 06:03:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 06:03:28,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2023-04-01 06:03:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:03:28,746 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 06:03:28,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 27 states have (on average 5.7407407407407405) internal successors, (155), 27 states have internal predecessors, (155), 12 states have call successors, (64), 7 states have call predecessors, (64), 19 states have return successors, (69), 21 states have call predecessors, (69), 12 states have call successors, (69) [2023-04-01 06:03:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 06:03:28,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 06:03:28,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 06:03:28,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 06:03:28,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:03:28,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 06:03:41,518 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 06:03:41,518 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 06:03:41,518 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-01 06:03:41,518 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-01 06:03:41,518 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-01 06:03:41,518 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-01 06:03:41,518 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-01 06:03:41,519 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2023-04-01 06:03:41,520 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1001 1009) the Hoare annotation is: true [2023-04-01 06:03:41,520 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 903 925) no Hoare annotation was computed. [2023-04-01 06:03:41,520 INFO L895 garLoopResultBuilder]: At program point L915(line 915) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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) (= ~switchedOnBeforeTS~0 0))) [2023-04-01 06:03:41,520 INFO L895 garLoopResultBuilder]: At program point L915-1(line 915) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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) (= ~switchedOnBeforeTS~0 0))) [2023-04-01 06:03:41,520 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 920) no Hoare annotation was computed. [2023-04-01 06:03:41,521 INFO L899 garLoopResultBuilder]: For program point L913-1(lines 913 920) no Hoare annotation was computed. [2023-04-01 06:03:41,521 INFO L899 garLoopResultBuilder]: For program point L911(line 911) no Hoare annotation was computed. [2023-04-01 06:03:41,521 INFO L895 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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) (= ~switchedOnBeforeTS~0 0))) [2023-04-01 06:03:41,521 INFO L895 garLoopResultBuilder]: At program point L909(line 909) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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) (= ~switchedOnBeforeTS~0 0))) [2023-04-01 06:03:41,521 INFO L895 garLoopResultBuilder]: At program point L909-1(line 909) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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) (= ~switchedOnBeforeTS~0 0))) [2023-04-01 06:03:41,521 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 903 925) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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) (= ~switchedOnBeforeTS~0 0))) [2023-04-01 06:03:41,521 INFO L899 garLoopResultBuilder]: For program point L865(line 865) no Hoare annotation was computed. [2023-04-01 06:03:41,521 INFO L899 garLoopResultBuilder]: For program point L864(line 864) no Hoare annotation was computed. [2023-04-01 06:03:41,521 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 857 880) no Hoare annotation was computed. [2023-04-01 06:03:41,521 INFO L899 garLoopResultBuilder]: For program point L863(line 863) no Hoare annotation was computed. [2023-04-01 06:03:41,521 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 857 880) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L875(line 875) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L874(line 874) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 857 880) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L872(line 872) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L869(line 869) no Hoare annotation was computed. [2023-04-01 06:03:41,522 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2023-04-01 06:03:41,523 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-04-01 06:03:41,523 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-04-01 06:03:41,523 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 707 721) no Hoare annotation was computed. [2023-04-01 06:03:41,523 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 707 721) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |old(~systemActive~0)| 0)) (.cse6 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (not (= 2 ~waterLevel~0))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (< ~switchedOnBeforeTS~0 1)) (or .cse3 .cse2 (not .cse4) .cse5 .cse6) (or .cse7 .cse3 .cse5 .cse6 .cse8) (or .cse7 .cse0 .cse1 .cse8) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse3 .cse9 .cse5 .cse6) (or .cse0 .cse1 .cse9) (or .cse7 .cse4 (= 1 ~systemActive~0) .cse5 (not (= |old(~systemActive~0)| 1)) .cse8))) [2023-04-01 06:03:41,524 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse4 (= |old(~systemActive~0)| 0)) (.cse8 (not (= 2 ~waterLevel~0))) (.cse7 (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (< 2 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 (< ~switchedOnBeforeTS~0 1)) (or .cse4 .cse3 (not .cse5) .cse6 .cse7) (or .cse0 .cse4 .cse6 .cse7 .cse2) (or .cse1 .cse8) (or .cse4 .cse8 .cse6 .cse7) (or (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse5 (= 1 ~systemActive~0) .cse6 (not (= |old(~systemActive~0)| 1)) .cse2))) [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 811 824) the Hoare annotation is: true [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 811 824) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 574 598) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (or (and (= 0 processEnvironment_~tmp~5) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2 .cse3) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3))) [2023-04-01 06:03:41,524 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 574 598) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 06:03:41,524 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~5) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2 .cse3) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3))) [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2023-04-01 06:03:41,524 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 540 546) no Hoare annotation was computed. [2023-04-01 06:03:41,525 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 540 546) the Hoare annotation is: true [2023-04-01 06:03:41,525 INFO L895 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse1 .cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse1 (<= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 1) .cse2 .cse3) (and .cse1 (= ~methaneLevelCritical~0 0) .cse5 .cse2 .cse3) (and .cse4 .cse1 (= ~waterLevel~0 1)))) [2023-04-01 06:03:41,525 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-04-01 06:03:41,525 INFO L895 garLoopResultBuilder]: At program point L479-1(lines 471 486) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.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 .cse4 (= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 .cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse3))) [2023-04-01 06:03:41,526 INFO L899 garLoopResultBuilder]: For program point L442(lines 441 490) no Hoare annotation was computed. [2023-04-01 06:03:41,526 INFO L895 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 0)) (and .cse0 .cse3 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse1 .cse4) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse4) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-01 06:03:41,526 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 486) no Hoare annotation was computed. [2023-04-01 06:03:41,526 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 431 498) no Hoare annotation was computed. [2023-04-01 06:03:41,526 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse2 (not .cse6)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= ~switchedOnBeforeTS~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse8 (= ~pumpRunning~0 1)) (.cse10 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse11 (= 1 ~systemActive~0)) (.cse9 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse6 .cse7 .cse3 .cse5 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse5) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 0)) (and .cse0 .cse10 .cse1 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse6 .cse7 .cse9 .cse5 .cse8) (and .cse10 .cse1 .cse6 .cse5 .cse8) (and .cse0 .cse10 .cse1 .cse11) (and .cse0 .cse1 .cse6 .cse11 .cse9)))) [2023-04-01 06:03:41,527 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2023-04-01 06:03:41,527 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2023-04-01 06:03:41,527 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 431 498) 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))) [2023-04-01 06:03:41,527 INFO L895 garLoopResultBuilder]: At program point L488(lines 441 490) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse2 (not .cse7)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= ~switchedOnBeforeTS~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse9 (= ~pumpRunning~0 1)) (.cse6 (= 2 ~waterLevel~0)) (.cse11 (= ~switchedOnBeforeTS~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse10 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (and .cse1 .cse7 .cse8 .cse3 .cse5 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse11) (and .cse1 .cse7 .cse8 .cse10 .cse5 .cse9) (and .cse6 .cse1 .cse7 .cse5 .cse9) (and .cse0 .cse6 .cse1 .cse11) (and .cse0 .cse1 .cse7 (= 1 ~systemActive~0) .cse10)))) [2023-04-01 06:03:41,527 INFO L895 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: (let ((.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1)) (.cse10 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse9 (= ~switchedOnBeforeTS~0 0))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4 .cse5) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse6 .cse5 .cse7) (and .cse0 .cse8 .cse1 .cse4 .cse5) (and .cse1 .cse2 (<= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 1) .cse5 .cse7) (and .cse0 .cse1 .cse6 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse6 .cse9) (and .cse0 .cse1 .cse10 .cse6) (and .cse8 .cse1 .cse2 .cse5 .cse7) (and .cse0 .cse8 .cse1 .cse10) (and .cse0 .cse8 .cse1 .cse9))) [2023-04-01 06:03:41,527 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2023-04-01 06:03:41,527 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2023-04-01 06:03:41,527 INFO L895 garLoopResultBuilder]: At program point L491(lines 440 492) 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))) [2023-04-01 06:03:41,528 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 431 498) no Hoare annotation was computed. [2023-04-01 06:03:41,528 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 779 801) no Hoare annotation was computed. [2023-04-01 06:03:41,528 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 779 801) no Hoare annotation was computed. [2023-04-01 06:03:41,529 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 607 623) no Hoare annotation was computed. [2023-04-01 06:03:41,529 INFO L895 garLoopResultBuilder]: At program point L618(line 618) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= activatePump_~tmp~6 0)) .cse1 .cse2 .cse3) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2023-04-01 06:03:41,529 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 607 623) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-01 06:03:41,529 INFO L899 garLoopResultBuilder]: For program point L618-1(lines 607 623) no Hoare annotation was computed. [2023-04-01 06:03:41,529 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2023-04-01 06:03:41,529 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= 0 ~systemActive~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-01 06:03:41,529 INFO L899 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2023-04-01 06:03:41,529 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2023-04-01 06:03:41,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 688 706) the Hoare annotation is: true [2023-04-01 06:03:41,529 INFO L902 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: true [2023-04-01 06:03:41,529 INFO L899 garLoopResultBuilder]: For program point L695-1(line 695) no Hoare annotation was computed. [2023-04-01 06:03:41,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 802 810) the Hoare annotation is: true [2023-04-01 06:03:41,530 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 802 810) no Hoare annotation was computed. [2023-04-01 06:03:41,530 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 1)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1))) (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (and (<= ~waterLevel~0 1) .cse3 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse0)) .cse4)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 (= ~switchedOnBeforeTS~0 0) (not .cse1)) .cse2) (or (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (= ~methaneLevelCritical~0 0) .cse5 .cse6 .cse1 .cse2) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse5 .cse6 .cse1)))) [2023-04-01 06:03:41,530 INFO L895 garLoopResultBuilder]: At program point L527(lines 527 533) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= |old(~waterLevel~0)| 2))) (let ((.cse5 (= ~waterLevel~0 1)) (.cse2 (not .cse7)) (.cse11 (not .cse0)) (.cse10 (= ~switchedOnBeforeTS~0 1)) (.cse8 (= ~pumpRunning~0 1)) (.cse12 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= ~pumpRunning~0 0)) (.cse13 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse9))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (and (= 2 ~waterLevel~0) .cse0 (not .cse3) .cse7 .cse8) (not (= |old(~pumpRunning~0)| 0)) (< 2 |old(~waterLevel~0)|) (and .cse4 .cse9 (= ~switchedOnBeforeTS~0 0))) (or (and .cse10 .cse5 .cse8) .cse11 .cse1 .cse2 .cse3) (or .cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse11 .cse1 (and .cse10 .cse13 .cse8) .cse3) (or .cse12 .cse0 .cse1 (and .cse4 .cse13 .cse6) .cse3)))) [2023-04-01 06:03:41,530 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2023-04-01 06:03:41,530 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 1)) (.cse7 (= ~pumpRunning~0 1))) (let ((.cse0 (and .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (or (< 1 |old(~waterLevel~0)|) .cse4) (or (and (= 2 ~waterLevel~0) .cse6 .cse7) .cse1 .cse5 .cse2)))) [2023-04-01 06:03:41,530 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 513 539) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse7 (= ~switchedOnBeforeTS~0 0)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse10 (not .cse2)) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse11 (= ~pumpRunning~0 1)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7) (or .cse8 .cse5 .cse0 .cse7) (or .cse9 .cse6 .cse2 (and (= 2 ~waterLevel~0) .cse10 .cse11)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse3) (or .cse8 .cse12 (and .cse13 .cse10 .cse11) .cse9 .cse2) (or .cse5 (and (= ~switchedOnBeforeTS~0 1) .cse13 .cse11) (not .cse12) .cse9 .cse2 .cse4) (or .cse0 (and (= ~pumpRunning~0 0) .cse13) .cse4)))) [2023-04-01 06:03:41,530 INFO L899 garLoopResultBuilder]: For program point L520(lines 516 538) no Hoare annotation was computed. [2023-04-01 06:03:41,530 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 513 539) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point L518(lines 516 538) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point L852(lines 827 856) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 856) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 770 778) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 770 778) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 734 745) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 734 745) the Hoare annotation is: (or (not (= ~pumpRunning~0 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0) (< 2 |old(~waterLevel~0)|)) [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 722 729) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 722 729) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2023-04-01 06:03:41,531 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 746 757) the Hoare annotation is: (let ((.cse5 (not (= ~pumpRunning~0 0))) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse12 (= 0 ~systemActive~0))) (let ((.cse0 (and (or .cse13 .cse12) (or .cse4 .cse12))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= ~pumpRunning~0 1))) (.cse6 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (< ~switchedOnBeforeTS~0 1)) (.cse14 (= ~waterLevel~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (not .cse7)) (.cse8 (let ((.cse15 (not (= 1 ~systemActive~0)))) (and (or .cse5 .cse13 .cse15) (or .cse5 .cse15 .cse4))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse1 .cse7 .cse8 .cse4) (or .cse9 .cse5 .cse7 .cse10 .cse11 .cse12) (or .cse5 .cse13 .cse10 .cse12 .cse14) (or .cse9 .cse5 .cse6 .cse11) (or .cse0 .cse13 .cse2 .cse3 .cse14) (or .cse13 .cse7 .cse8 .cse14) (or .cse9 .cse2 .cse3 .cse6 .cse11 .cse12) (or .cse5 .cse1 .cse10 .cse4 .cse12) (or .cse13 .cse2 .cse8 .cse14) (or .cse1 .cse2 .cse8 .cse4)))) [2023-04-01 06:03:41,531 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 416 423) the Hoare annotation is: true [2023-04-01 06:03:41,531 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2023-04-01 06:03:41,532 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 416 423) no Hoare annotation was computed. [2023-04-01 06:03:41,532 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2023-04-01 06:03:41,532 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2023-04-01 06:03:41,532 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2023-04-01 06:03:41,532 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 928 935) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 0)) [2023-04-01 06:03:41,532 INFO L899 garLoopResultBuilder]: For program point L941(line 941) no Hoare annotation was computed. [2023-04-01 06:03:41,532 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2023-04-01 06:03:41,532 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 936 945) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1)) .cse5))) [2023-04-01 06:03:41,532 INFO L895 garLoopResultBuilder]: At program point L961(line 961) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (not .cse7)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (< 1 ~waterLevel~0)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2) (or .cse6 .cse3 .cse4 .cse2 .cse5) (or .cse0 .cse7 .cse6 (< ~switchedOnBeforeTS~0 1) .cse5)))) [2023-04-01 06:03:41,532 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 965) no Hoare annotation was computed. [2023-04-01 06:03:41,532 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 968) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse4 (not .cse7)) (.cse5 (not (= ~pumpRunning~0 1))) (.cse6 (= 0 ~systemActive~0))) (and (or (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) .cse1) .cse2) (or .cse3 .cse4 .cse5 .cse2 .cse6 .cse1) (or .cse0 .cse7 .cse3 (< ~switchedOnBeforeTS~0 1) .cse6 .cse1) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse6)))) [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L956-1(line 956) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 971) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L902 garLoopResultBuilder]: At program point L952(line 952) the Hoare annotation is: true [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L952-1(line 952) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 946 974) the Hoare annotation is: true [2023-04-01 06:03:41,533 INFO L895 garLoopResultBuilder]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L567-1(lines 548 572) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= processEnvironment__wrappee__methaneQuery_~tmp~4 0) .cse2 .cse3) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse3) (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse2 .cse3))) [2023-04-01 06:03:41,533 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2))) [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 548 572) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L895 garLoopResultBuilder]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 06:03:41,533 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 548 572) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L554-1(line 554) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 569) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2023-04-01 06:03:41,533 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 643 651) the Hoare annotation is: true [2023-04-01 06:03:41,533 INFO L899 garLoopResultBuilder]: For program point L682(line 682) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 652 687) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point L682-1(line 682) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 652 687) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L895 garLoopResultBuilder]: At program point L894(line 894) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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))) [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 889 899) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 889 899) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (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) (= ~switchedOnBeforeTS~0 0))) [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 889 899) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L902 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: true [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 632 642) the Hoare annotation is: true [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 624 631) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (and (not .cse1) .cse2))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse2) (or (< 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3)))) [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 599 606) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 599 606) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-01 06:03:41,534 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 977 986) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2023-04-01 06:03:41,535 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2023-04-01 06:03:41,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 06:03:41,536 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 06:03:41,536 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 06:03:41,536 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 769) the Hoare annotation is: (let ((.cse6 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse11 (< ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse12 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse9 (= 0 ~systemActive~0))) (let ((.cse2 (and (or .cse3 .cse5 .cse11 .cse9) (or .cse3 .cse5 .cse12 .cse9))) (.cse10 (< 1 ~waterLevel~0)) (.cse8 (not (= ~pumpRunning~0 1))) (.cse4 (not (= 1 ~systemActive~0))) (.cse7 (not .cse1)) (.cse0 (not .cse6))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse6 .cse2 .cse7) (or .cse0 .cse1 .cse5 .cse8 .cse9) (or .cse3 .cse6 .cse10 .cse11 .cse7 .cse9) (or (not (= ~waterLevel~0 1)) .cse0 .cse3 .cse1 .cse4) (or .cse3 .cse6 .cse10 .cse7 .cse12) (or .cse0 .cse3 .cse1 .cse10 .cse12) (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse8 .cse12 .cse9) (or .cse0 .cse3 .cse1 .cse4 .cse5) (or .cse3 .cse5 .cse6 .cse7 .cse12) (or .cse0 .cse3 .cse1 .cse5 .cse12)))) [2023-04-01 06:03:41,536 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2023-04-01 06:03:41,536 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 881 887) no Hoare annotation was computed. [2023-04-01 06:03:41,536 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 881 887) the Hoare annotation is: true [2023-04-01 06:03:41,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 06:03:41,536 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) (= ~switchedOnBeforeTS~0 0)) [2023-04-01 06:03:41,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 06:03:41,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 06:03:41,538 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:03:41,540 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 06:03:41,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 06:03:41 BoogieIcfgContainer [2023-04-01 06:03:41,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 06:03:41,569 INFO L158 Benchmark]: Toolchain (without parser) took 58219.78ms. Allocated memory was 206.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 154.5MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 841.0MB. Max. memory is 8.0GB. [2023-04-01 06:03:41,569 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 206.6MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 06:03:41,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.85ms. Allocated memory is still 206.6MB. Free memory was 154.2MB in the beginning and 135.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 06:03:41,570 INFO L158 Benchmark]: Boogie Preprocessor took 80.01ms. Allocated memory is still 206.6MB. Free memory was 135.3MB in the beginning and 131.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 06:03:41,570 INFO L158 Benchmark]: RCFGBuilder took 832.95ms. Allocated memory was 206.6MB in the beginning and 355.5MB in the end (delta: 148.9MB). Free memory was 131.7MB in the beginning and 276.9MB in the end (delta: -145.2MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. [2023-04-01 06:03:41,570 INFO L158 Benchmark]: TraceAbstraction took 56799.99ms. Allocated memory was 355.5MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 276.4MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 813.4MB. Max. memory is 8.0GB. [2023-04-01 06:03:41,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 206.6MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 502.85ms. Allocated memory is still 206.6MB. Free memory was 154.2MB in the beginning and 135.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 80.01ms. Allocated memory is still 206.6MB. Free memory was 135.3MB in the beginning and 131.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 832.95ms. Allocated memory was 206.6MB in the beginning and 355.5MB in the end (delta: 148.9MB). Free memory was 131.7MB in the beginning and 276.9MB in the end (delta: -145.2MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. * TraceAbstraction took 56799.99ms. Allocated memory was 355.5MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 276.4MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 813.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.7s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2462 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2397 mSDsluCounter, 9649 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8105 mSDsCounter, 1241 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10046 IncrementalHoareTripleChecker+Invalid, 11287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1241 mSolverCounterUnsat, 1544 mSDtfsCounter, 10046 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1964 GetRequests, 1485 SyntacticMatches, 66 SemanticMatches, 413 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20811 ImplicationChecksByTransitivity, 21.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5014occurred in iteration=8, InterpolantAutomatonStates: 174, 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, 1559 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 6485 PreInvPairs, 7217 NumberOfFragments, 3580 HoareAnnotationTreeSize, 6485 FomulaSimplifications, 64616 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 108191 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1552 NumberOfCodeBlocks, 1552 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2108 ConstructedInterpolants, 0 QuantifiedInterpolants, 3622 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2030 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 912/1017 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: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((((((((((((pumpRunning == 0 && splverifierCounter == 0) && !(methaneLevelCritical == 0)) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || (((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && !(methaneLevelCritical == 0)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && switchedOnBeforeTS == 1) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && !(0 == systemActive)) && pumpRunning == 1)) || (((((pumpRunning == 0 && splverifierCounter == 0) && !(methaneLevelCritical == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && switchedOnBeforeTS == 0)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && switchedOnBeforeTS == 1) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((2 == waterLevel && splverifierCounter == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == 0)) || ((((pumpRunning == 0 && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 06:03:41,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...