/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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:10:02,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:10:02,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:10:02,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:10:02,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:10:02,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:10:02,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:10:02,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:10:02,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:10:02,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:10:02,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:10:02,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:10:02,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:10:02,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:10:02,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:10:02,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:10:02,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:10:02,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:10:02,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:10:02,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:10:02,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:10:02,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:10:02,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:10:02,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:10:02,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:10:02,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:10:02,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:10:02,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:10:02,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:10:02,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:10:02,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:10:02,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:10:02,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:10:02,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:10:02,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:10:02,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:10:02,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:10:02,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:10:02,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:10:02,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:10:02,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:10:02,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:10:02,324 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:10:02,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:10:02,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:10:02,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:10:02,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:10:02,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:10:02,326 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:10:02,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:10:02,326 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:10:02,327 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:10:02,327 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:10:02,327 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:10:02,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:10:02,328 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:10:02,328 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:10:02,328 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:10:02,328 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:10:02,328 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:10:02,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:10:02,329 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:10:02,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:10:02,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:10:02,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:10:02,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:10:02,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:10:02,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:10:02,330 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:10:02,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:10:02,330 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:10:02,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:10:02,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:10:02,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:10:02,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:02,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:10:02,331 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:10:02,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:10:02,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:10:02,331 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:10:02,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:10:02,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:10:02,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:10:02,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:10:02,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:10:02,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:10:02,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:10:02,600 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:10:02,600 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:10:02,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2023-04-03 01:10:03,801 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:10:04,034 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:10:04,035 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2023-04-03 01:10:04,046 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb5b8d8e/2b82adeb31494c17b05d9ae6db82e6ed/FLAGaf5902188 [2023-04-03 01:10:04,061 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb5b8d8e/2b82adeb31494c17b05d9ae6db82e6ed [2023-04-03 01:10:04,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:10:04,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:10:04,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:04,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:10:04,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:10:04,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a92dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04, skipping insertion in model container [2023-04-03 01:10:04,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:10:04,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:10:04,378 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_product53.cil.c[17915,17928] [2023-04-03 01:10:04,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:04,398 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:10:04,461 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_product53.cil.c[17915,17928] [2023-04-03 01:10:04,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:04,479 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:10:04,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04 WrapperNode [2023-04-03 01:10:04,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:04,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:10:04,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:10:04,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:10:04,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:10:04,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:10:04,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:10:04,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:10:04,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (1/1) ... [2023-04-03 01:10:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:04,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:04,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:10:04,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:10:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:10:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:10:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:10:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:10:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:10:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:10:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:10:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:10:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:10:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:10:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:10:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:10:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:10:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:10:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:10:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:10:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:10:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:10:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:10:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:10:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:10:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:10:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:10:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:10:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:10:04,875 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:10:04,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:10:05,356 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:10:05,500 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:10:05,501 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:10:05,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:05 BoogieIcfgContainer [2023-04-03 01:10:05,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:10:05,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:10:05,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:10:05,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:10:05,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:10:04" (1/3) ... [2023-04-03 01:10:05,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6878983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:05, skipping insertion in model container [2023-04-03 01:10:05,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:04" (2/3) ... [2023-04-03 01:10:05,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6878983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:05, skipping insertion in model container [2023-04-03 01:10:05,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:05" (3/3) ... [2023-04-03 01:10:05,513 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2023-04-03 01:10:05,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:10:05,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:10:05,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:10:05,591 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;@61be4da5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:10:05,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:10:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 74 states have (on average 1.2567567567567568) internal successors, (93), 88 states have internal predecessors, (93), 53 states have call successors, (53), 33 states have call predecessors, (53), 33 states have return successors, (53), 47 states have call predecessors, (53), 53 states have call successors, (53) [2023-04-03 01:10:05,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:10:05,619 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:05,620 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:05,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:05,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:05,627 INFO L85 PathProgramCache]: Analyzing trace with hash -301340799, now seen corresponding path program 1 times [2023-04-03 01:10:05,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:05,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528964072] [2023-04-03 01:10:05,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:05,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:05,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:05,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528964072] [2023-04-03 01:10:05,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528964072] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:05,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:05,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:10:05,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289570710] [2023-04-03 01:10:05,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:05,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:10:05,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:05,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:10:05,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:05,940 INFO L87 Difference]: Start difference. First operand has 163 states, 74 states have (on average 1.2567567567567568) internal successors, (93), 88 states have internal predecessors, (93), 53 states have call successors, (53), 33 states have call predecessors, (53), 33 states have return successors, (53), 47 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) [2023-04-03 01:10:06,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:06,057 INFO L93 Difference]: Finished difference Result 256 states and 309 transitions. [2023-04-03 01:10:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:10:06,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:10:06,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:06,076 INFO L225 Difference]: With dead ends: 256 [2023-04-03 01:10:06,076 INFO L226 Difference]: Without dead ends: 130 [2023-04-03 01:10:06,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:06,084 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:06,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:10:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-04-03 01:10:06,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-04-03 01:10:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 76 states have internal predecessors, (79), 38 states have call successors, (38), 31 states have call predecessors, (38), 26 states have return successors, (33), 27 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-03 01:10:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2023-04-03 01:10:06,148 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 52 [2023-04-03 01:10:06,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:06,149 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2023-04-03 01:10:06,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2023-04-03 01:10:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:10:06,160 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:06,160 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:06,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:10:06,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:06,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:06,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1098860448, now seen corresponding path program 1 times [2023-04-03 01:10:06,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:06,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425418771] [2023-04-03 01:10:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:06,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:06,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:06,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425418771] [2023-04-03 01:10:06,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425418771] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:06,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:06,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:10:06,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431187192] [2023-04-03 01:10:06,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:06,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:10:06,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:06,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:10:06,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:06,334 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:06,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:06,418 INFO L93 Difference]: Finished difference Result 214 states and 248 transitions. [2023-04-03 01:10:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:10:06,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:10:06,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:06,421 INFO L225 Difference]: With dead ends: 214 [2023-04-03 01:10:06,421 INFO L226 Difference]: Without dead ends: 122 [2023-04-03 01:10:06,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:06,423 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 7 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:06,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 230 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:06,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-04-03 01:10:06,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-04-03 01:10:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 71 states have internal predecessors, (73), 35 states have call successors, (35), 30 states have call predecessors, (35), 26 states have return successors, (31), 25 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-03 01:10:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 139 transitions. [2023-04-03 01:10:06,442 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 139 transitions. Word has length 53 [2023-04-03 01:10:06,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:06,443 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 139 transitions. [2023-04-03 01:10:06,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:10:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 139 transitions. [2023-04-03 01:10:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-03 01:10:06,448 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:06,448 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] [2023-04-03 01:10:06,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:10:06,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:06,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:06,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1735587748, now seen corresponding path program 1 times [2023-04-03 01:10:06,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:06,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812310125] [2023-04-03 01:10:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:06,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:06,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:06,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812310125] [2023-04-03 01:10:06,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812310125] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:06,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:06,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:06,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251472420] [2023-04-03 01:10:06,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:06,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:06,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:06,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:06,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:06,609 INFO L87 Difference]: Start difference. First operand 122 states and 139 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:06,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:06,869 INFO L93 Difference]: Finished difference Result 219 states and 254 transitions. [2023-04-03 01:10:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:10:06,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 55 [2023-04-03 01:10:06,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:06,876 INFO L225 Difference]: With dead ends: 219 [2023-04-03 01:10:06,876 INFO L226 Difference]: Without dead ends: 122 [2023-04-03 01:10:06,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:10:06,883 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 190 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:06,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 331 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:06,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-04-03 01:10:06,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-04-03 01:10:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 60 states have (on average 1.2) internal successors, (72), 70 states have internal predecessors, (72), 35 states have call successors, (35), 30 states have call predecessors, (35), 26 states have return successors, (31), 25 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-03 01:10:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 138 transitions. [2023-04-03 01:10:06,936 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 138 transitions. Word has length 55 [2023-04-03 01:10:06,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:06,939 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 138 transitions. [2023-04-03 01:10:06,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:10:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2023-04-03 01:10:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-03 01:10:06,941 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:06,941 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] [2023-04-03 01:10:06,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:10:06,942 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:06,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:06,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1657184369, now seen corresponding path program 1 times [2023-04-03 01:10:06,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:06,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198817387] [2023-04-03 01:10:06,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:06,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:07,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:07,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198817387] [2023-04-03 01:10:07,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198817387] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:07,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:07,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:10:07,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090977471] [2023-04-03 01:10:07,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:07,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:10:07,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:07,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:10:07,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:10:07,067 INFO L87 Difference]: Start difference. First operand 122 states and 138 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 01:10:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:07,457 INFO L93 Difference]: Finished difference Result 315 states and 373 transitions. [2023-04-03 01:10:07,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:10:07,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 72 [2023-04-03 01:10:07,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:07,461 INFO L225 Difference]: With dead ends: 315 [2023-04-03 01:10:07,461 INFO L226 Difference]: Without dead ends: 218 [2023-04-03 01:10:07,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:10:07,470 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 188 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:07,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 164 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:07,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-04-03 01:10:07,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 203. [2023-04-03 01:10:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 107 states have (on average 1.158878504672897) internal successors, (124), 115 states have internal predecessors, (124), 48 states have call successors, (48), 44 states have call predecessors, (48), 47 states have return successors, (53), 48 states have call predecessors, (53), 44 states have call successors, (53) [2023-04-03 01:10:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 225 transitions. [2023-04-03 01:10:07,514 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 225 transitions. Word has length 72 [2023-04-03 01:10:07,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:07,514 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 225 transitions. [2023-04-03 01:10:07,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 01:10:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 225 transitions. [2023-04-03 01:10:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-03 01:10:07,516 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:07,516 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:07,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:10:07,517 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:07,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:07,517 INFO L85 PathProgramCache]: Analyzing trace with hash -275772058, now seen corresponding path program 1 times [2023-04-03 01:10:07,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675066383] [2023-04-03 01:10:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:07,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:07,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:07,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675066383] [2023-04-03 01:10:07,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675066383] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:07,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:07,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:10:07,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876343721] [2023-04-03 01:10:07,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:07,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:10:07,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:07,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:10:07,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:10:07,945 INFO L87 Difference]: Start difference. First operand 203 states and 225 transitions. Second operand has 12 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:10:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:08,463 INFO L93 Difference]: Finished difference Result 534 states and 607 transitions. [2023-04-03 01:10:08,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:10:08,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) Word has length 82 [2023-04-03 01:10:08,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:08,468 INFO L225 Difference]: With dead ends: 534 [2023-04-03 01:10:08,468 INFO L226 Difference]: Without dead ends: 356 [2023-04-03 01:10:08,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:10:08,469 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 296 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:08,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1008 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 01:10:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-04-03 01:10:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 346. [2023-04-03 01:10:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 189 states have (on average 1.164021164021164) internal successors, (220), 201 states have internal predecessors, (220), 80 states have call successors, (80), 74 states have call predecessors, (80), 76 states have return successors, (92), 80 states have call predecessors, (92), 76 states have call successors, (92) [2023-04-03 01:10:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 392 transitions. [2023-04-03 01:10:08,519 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 392 transitions. Word has length 82 [2023-04-03 01:10:08,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:08,519 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 392 transitions. [2023-04-03 01:10:08,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (22), 3 states have call predecessors, (22), 6 states have return successors, (16), 7 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-03 01:10:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 392 transitions. [2023-04-03 01:10:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-03 01:10:08,521 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:08,521 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:08,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:10:08,522 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:08,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:08,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1122490284, now seen corresponding path program 1 times [2023-04-03 01:10:08,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:08,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972743512] [2023-04-03 01:10:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:10:08,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:08,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972743512] [2023-04-03 01:10:08,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972743512] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:08,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:08,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:08,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778789020] [2023-04-03 01:10:08,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:08,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:08,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:08,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:08,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:08,660 INFO L87 Difference]: Start difference. First operand 346 states and 392 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:10:09,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:09,023 INFO L93 Difference]: Finished difference Result 683 states and 791 transitions. [2023-04-03 01:10:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:10:09,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 82 [2023-04-03 01:10:09,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:09,029 INFO L225 Difference]: With dead ends: 683 [2023-04-03 01:10:09,030 INFO L226 Difference]: Without dead ends: 362 [2023-04-03 01:10:09,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:10:09,031 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 143 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:09,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 263 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:09,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-04-03 01:10:09,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 343. [2023-04-03 01:10:09,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 186 states have (on average 1.1344086021505377) internal successors, (211), 198 states have internal predecessors, (211), 80 states have call successors, (80), 74 states have call predecessors, (80), 76 states have return successors, (92), 80 states have call predecessors, (92), 76 states have call successors, (92) [2023-04-03 01:10:09,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 383 transitions. [2023-04-03 01:10:09,074 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 383 transitions. Word has length 82 [2023-04-03 01:10:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:09,075 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 383 transitions. [2023-04-03 01:10:09,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:10:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 383 transitions. [2023-04-03 01:10:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-03 01:10:09,076 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:09,076 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] [2023-04-03 01:10:09,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:10:09,077 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:09,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:09,077 INFO L85 PathProgramCache]: Analyzing trace with hash -179627862, now seen corresponding path program 1 times [2023-04-03 01:10:09,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:09,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558471621] [2023-04-03 01:10:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:09,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:09,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:09,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558471621] [2023-04-03 01:10:09,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558471621] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:09,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:09,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:10:09,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077065470] [2023-04-03 01:10:09,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:09,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:10:09,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:09,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:10:09,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:09,426 INFO L87 Difference]: Start difference. First operand 343 states and 383 transitions. Second operand has 9 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:10:10,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:10,235 INFO L93 Difference]: Finished difference Result 1054 states and 1207 transitions. [2023-04-03 01:10:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:10,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 85 [2023-04-03 01:10:10,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:10,240 INFO L225 Difference]: With dead ends: 1054 [2023-04-03 01:10:10,240 INFO L226 Difference]: Without dead ends: 795 [2023-04-03 01:10:10,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:10:10,242 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 314 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:10,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 234 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:10:10,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2023-04-03 01:10:10,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 686. [2023-04-03 01:10:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 377 states have (on average 1.1405835543766578) internal successors, (430), 399 states have internal predecessors, (430), 154 states have call successors, (154), 143 states have call predecessors, (154), 154 states have return successors, (189), 161 states have call predecessors, (189), 150 states have call successors, (189) [2023-04-03 01:10:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 773 transitions. [2023-04-03 01:10:10,304 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 773 transitions. Word has length 85 [2023-04-03 01:10:10,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:10,304 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 773 transitions. [2023-04-03 01:10:10,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:10:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 773 transitions. [2023-04-03 01:10:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-03 01:10:10,307 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:10,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:10,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:10:10,307 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:10,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:10,308 INFO L85 PathProgramCache]: Analyzing trace with hash -370374119, now seen corresponding path program 1 times [2023-04-03 01:10:10,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598744397] [2023-04-03 01:10:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-03 01:10:10,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:10,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598744397] [2023-04-03 01:10:10,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598744397] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:10,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113561317] [2023-04-03 01:10:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:10,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:10,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:10,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:10,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:10:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:10,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:10:10,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:10:10,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-03 01:10:11,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113561317] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:11,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [506772639] [2023-04-03 01:10:11,400 INFO L159 IcfgInterpreter]: Started Sifa with 114 locations of interest [2023-04-03 01:10:11,401 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:11,404 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:11,408 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:11,409 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:11,626 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:11,715 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 34 for LOIs [2023-04-03 01:10:11,925 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 34 for LOIs [2023-04-03 01:10:11,984 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 34 for LOIs [2023-04-03 01:10:16,490 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 46 for LOIs [2023-04-03 01:10:16,500 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2023-04-03 01:10:16,836 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:16,841 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 54 for LOIs [2023-04-03 01:10:17,174 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 40 for LOIs [2023-04-03 01:10:17,404 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 52 for LOIs [2023-04-03 01:10:17,774 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:17,875 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:17,881 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:17,884 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-03 01:10:17,887 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 35 for LOIs [2023-04-03 01:10:17,970 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 35 for LOIs [2023-04-03 01:10:17,974 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 47 for LOIs [2023-04-03 01:10:18,060 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 47 for LOIs [2023-04-03 01:10:18,065 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:18,067 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:18,069 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:10:18,202 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:10:18,206 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:10:18,208 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 23 for LOIs [2023-04-03 01:10:18,231 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-03 01:10:18,232 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:18,235 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:18,237 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:18,239 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:24,201 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8708#(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 [2023-04-03 01:10:24,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:24,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:24,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-03 01:10:24,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103228199] [2023-04-03 01:10:24,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:24,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-03 01:10:24,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:24,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-03 01:10:24,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=554, Invalid=5926, Unknown=0, NotChecked=0, Total=6480 [2023-04-03 01:10:24,206 INFO L87 Difference]: Start difference. First operand 686 states and 773 transitions. Second operand has 19 states, 12 states have (on average 10.916666666666666) internal successors, (131), 15 states have internal predecessors, (131), 7 states have call successors, (59), 6 states have call predecessors, (59), 11 states have return successors, (59), 10 states have call predecessors, (59), 6 states have call successors, (59) [2023-04-03 01:10:25,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:25,283 INFO L93 Difference]: Finished difference Result 1338 states and 1542 transitions. [2023-04-03 01:10:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-03 01:10:25,284 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 10.916666666666666) internal successors, (131), 15 states have internal predecessors, (131), 7 states have call successors, (59), 6 states have call predecessors, (59), 11 states have return successors, (59), 10 states have call predecessors, (59), 6 states have call successors, (59) Word has length 150 [2023-04-03 01:10:25,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:25,295 INFO L225 Difference]: With dead ends: 1338 [2023-04-03 01:10:25,295 INFO L226 Difference]: Without dead ends: 736 [2023-04-03 01:10:25,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 360 SyntacticMatches, 26 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4745 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=718, Invalid=8788, Unknown=0, NotChecked=0, Total=9506 [2023-04-03 01:10:25,301 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 258 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:25,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1882 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:10:25,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2023-04-03 01:10:25,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 655. [2023-04-03 01:10:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 359 states have (on average 1.1364902506963788) internal successors, (408), 388 states have internal predecessors, (408), 149 states have call successors, (149), 140 states have call predecessors, (149), 146 states have return successors, (175), 146 states have call predecessors, (175), 145 states have call successors, (175) [2023-04-03 01:10:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 732 transitions. [2023-04-03 01:10:25,348 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 732 transitions. Word has length 150 [2023-04-03 01:10:25,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:25,349 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 732 transitions. [2023-04-03 01:10:25,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 10.916666666666666) internal successors, (131), 15 states have internal predecessors, (131), 7 states have call successors, (59), 6 states have call predecessors, (59), 11 states have return successors, (59), 10 states have call predecessors, (59), 6 states have call successors, (59) [2023-04-03 01:10:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 732 transitions. [2023-04-03 01:10:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-04-03 01:10:25,353 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:25,353 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:25,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:10:25,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:25,561 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:25,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -396911828, now seen corresponding path program 1 times [2023-04-03 01:10:25,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:25,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23163553] [2023-04-03 01:10:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-04-03 01:10:25,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:25,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23163553] [2023-04-03 01:10:25,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23163553] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:25,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044417333] [2023-04-03 01:10:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:25,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:25,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:25,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:25,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:10:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:25,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:10:25,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 01:10:26,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-04-03 01:10:26,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044417333] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:26,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1856402111] [2023-04-03 01:10:26,344 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2023-04-03 01:10:26,344 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:26,346 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:26,346 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:26,346 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:26,446 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:26,471 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 34 for LOIs [2023-04-03 01:10:26,582 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 34 for LOIs [2023-04-03 01:10:26,620 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 34 for LOIs [2023-04-03 01:10:29,955 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 58 for LOIs [2023-04-03 01:10:29,964 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:10:30,308 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:30,313 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:10:30,390 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:30,412 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:30,562 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:30,622 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:30,626 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:30,629 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2023-04-03 01:10:30,645 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 28 for LOIs [2023-04-03 01:10:30,646 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:30,648 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:30,649 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:10:30,842 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:10:30,847 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:10:30,850 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:10:30,869 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:30,871 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:30,873 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:30,874 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:30,875 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:35,674 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12748#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:35,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:35,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:35,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 13 [2023-04-03 01:10:35,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991836360] [2023-04-03 01:10:35,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:35,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-03 01:10:35,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:35,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-03 01:10:35,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=4564, Unknown=0, NotChecked=0, Total=4970 [2023-04-03 01:10:35,680 INFO L87 Difference]: Start difference. First operand 655 states and 732 transitions. Second operand has 13 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 01:10:36,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:36,030 INFO L93 Difference]: Finished difference Result 1678 states and 1924 transitions. [2023-04-03 01:10:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:10:36,030 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 3 states have call successors, (41) Word has length 184 [2023-04-03 01:10:36,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:36,038 INFO L225 Difference]: With dead ends: 1678 [2023-04-03 01:10:36,039 INFO L226 Difference]: Without dead ends: 1062 [2023-04-03 01:10:36,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 488 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2121 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=429, Invalid=4973, Unknown=0, NotChecked=0, Total=5402 [2023-04-03 01:10:36,043 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 44 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:36,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1235 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:10:36,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2023-04-03 01:10:36,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 874. [2023-04-03 01:10:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 480 states have (on average 1.11875) internal successors, (537), 517 states have internal predecessors, (537), 192 states have call successors, (192), 183 states have call predecessors, (192), 201 states have return successors, (249), 197 states have call predecessors, (249), 188 states have call successors, (249) [2023-04-03 01:10:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 978 transitions. [2023-04-03 01:10:36,106 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 978 transitions. Word has length 184 [2023-04-03 01:10:36,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:36,107 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 978 transitions. [2023-04-03 01:10:36,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 3 states have call successors, (42), 3 states have call predecessors, (42), 7 states have return successors, (41), 6 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-03 01:10:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 978 transitions. [2023-04-03 01:10:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-03 01:10:36,110 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:36,110 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:36,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-03 01:10:36,317 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,SelfDestructingSolverStorable8 [2023-04-03 01:10:36,317 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:36,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:36,317 INFO L85 PathProgramCache]: Analyzing trace with hash 359984471, now seen corresponding path program 1 times [2023-04-03 01:10:36,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:36,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928373123] [2023-04-03 01:10:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:36,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 50 proven. 19 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 01:10:36,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:36,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928373123] [2023-04-03 01:10:36,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928373123] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:36,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383495652] [2023-04-03 01:10:36,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:36,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:36,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:36,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:37,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:10:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:37,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 40 conjunts are in the unsatisfiable core [2023-04-03 01:10:37,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 45 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:10:37,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 61 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 01:10:39,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383495652] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:39,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2118367090] [2023-04-03 01:10:39,246 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2023-04-03 01:10:39,246 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:39,246 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:39,246 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:39,246 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:39,339 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:39,357 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 34 for LOIs [2023-04-03 01:10:39,461 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 34 for LOIs [2023-04-03 01:10:39,487 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 34 for LOIs [2023-04-03 01:10:42,864 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 46 for LOIs [2023-04-03 01:10:42,871 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:10:43,202 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:43,205 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:10:43,260 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:43,282 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:43,414 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:43,497 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:43,502 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:43,506 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2023-04-03 01:10:43,522 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 28 for LOIs [2023-04-03 01:10:43,525 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:43,527 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:43,528 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:10:43,770 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:10:43,773 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:10:43,776 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:10:43,802 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:43,804 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:43,806 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:43,809 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:43,811 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:49,502 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17588#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:49,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:49,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:49,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 15] total 38 [2023-04-03 01:10:49,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110102474] [2023-04-03 01:10:49,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:49,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-04-03 01:10:49,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:49,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-04-03 01:10:49,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=693, Invalid=8237, Unknown=0, NotChecked=0, Total=8930 [2023-04-03 01:10:49,507 INFO L87 Difference]: Start difference. First operand 874 states and 978 transitions. Second operand has 38 states, 29 states have (on average 6.103448275862069) internal successors, (177), 29 states have internal predecessors, (177), 13 states have call successors, (76), 6 states have call predecessors, (76), 20 states have return successors, (79), 23 states have call predecessors, (79), 12 states have call successors, (79) [2023-04-03 01:10:51,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:51,847 INFO L93 Difference]: Finished difference Result 1771 states and 2065 transitions. [2023-04-03 01:10:51,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-03 01:10:51,848 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 29 states have (on average 6.103448275862069) internal successors, (177), 29 states have internal predecessors, (177), 13 states have call successors, (76), 6 states have call predecessors, (76), 20 states have return successors, (79), 23 states have call predecessors, (79), 12 states have call successors, (79) Word has length 189 [2023-04-03 01:10:51,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:51,849 INFO L225 Difference]: With dead ends: 1771 [2023-04-03 01:10:51,849 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:10:51,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 502 SyntacticMatches, 11 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7320 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1452, Invalid=16638, Unknown=0, NotChecked=0, Total=18090 [2023-04-03 01:10:51,858 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 758 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 2988 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 3780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 2988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:51,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 569 Invalid, 3780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [792 Valid, 2988 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 01:10:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:10:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:10:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:10:51,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:10:51,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2023-04-03 01:10:51,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:51,860 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:10:51,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 29 states have (on average 6.103448275862069) internal successors, (177), 29 states have internal predecessors, (177), 13 states have call successors, (76), 6 states have call predecessors, (76), 20 states have return successors, (79), 23 states have call predecessors, (79), 12 states have call successors, (79) [2023-04-03 01:10:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:10:51,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:10:51,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:10:51,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:10:52,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:52,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-03 01:10:57,482 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 682 690) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 682 690) the Hoare annotation is: true [2023-04-03 01:10:57,483 INFO L895 garLoopResultBuilder]: At program point L896(line 896) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:10:57,483 INFO L895 garLoopResultBuilder]: At program point L896-1(line 896) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:10:57,483 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 901) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L899 garLoopResultBuilder]: For program point L894-1(lines 894 901) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L899 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2023-04-03 01:10:57,483 INFO L895 garLoopResultBuilder]: At program point L891(line 891) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:10:57,484 INFO L895 garLoopResultBuilder]: At program point L890(line 890) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:10:57,484 INFO L895 garLoopResultBuilder]: At program point L890-1(line 890) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 884 906) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 884 906) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 842 865) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 842 865) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L859(line 859) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L858(line 858) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L857(line 857) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L855(line 855) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L854(line 854) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L853(line 853) no Hoare annotation was computed. [2023-04-03 01:10:57,484 INFO L899 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point L851(line 851) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point L849(line 849) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point L847(line 847) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 842 865) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L902 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: true [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point L641-1(line 641) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 652) the Hoare annotation is: true [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 634 652) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 668 674) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 668 674) the Hoare annotation is: true [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:10:57,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 996 1009) the Hoare annotation is: true [2023-04-03 01:10:57,486 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 996 1009) no Hoare annotation was computed. [2023-04-03 01:10:57,486 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:10:57,486 INFO L899 garLoopResultBuilder]: For program point L537-1(lines 518 542) no Hoare annotation was computed. [2023-04-03 01:10:57,486 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 518 542) no Hoare annotation was computed. [2023-04-03 01:10:57,486 INFO L895 garLoopResultBuilder]: At program point L532(line 532) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,486 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,486 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 534) no Hoare annotation was computed. [2023-04-03 01:10:57,486 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,486 INFO L899 garLoopResultBuilder]: For program point L524-1(line 524) no Hoare annotation was computed. [2023-04-03 01:10:57,486 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 539) no Hoare annotation was computed. [2023-04-03 01:10:57,486 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 518 542) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,486 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 458 464) no Hoare annotation was computed. [2023-04-03 01:10:57,487 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 458 464) the Hoare annotation is: true [2023-04-03 01:10:57,487 INFO L895 garLoopResultBuilder]: At program point L727(line 727) the Hoare annotation is: (let ((.cse2 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse5 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse1 .cse3 .cse2 .cse4) (and .cse0 .cse5 .cse1) (and .cse5 .cse1 .cse4) (and .cse1 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse6))) [2023-04-03 01:10:57,487 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 695 758) no Hoare annotation was computed. [2023-04-03 01:10:57,487 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 731) no Hoare annotation was computed. [2023-04-03 01:10:57,487 INFO L899 garLoopResultBuilder]: For program point L725-1(lines 725 731) no Hoare annotation was computed. [2023-04-03 01:10:57,487 INFO L895 garLoopResultBuilder]: At program point L717(line 717) the Hoare annotation is: (let ((.cse2 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse5 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse4 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3) (and .cse1 .cse4 .cse3) (and .cse0 .cse5 .cse1) (and .cse5 .cse1 .cse3) (and .cse0 .cse1 .cse4))) [2023-04-03 01:10:57,487 INFO L895 garLoopResultBuilder]: At program point L748(lines 705 750) the Hoare annotation is: (let ((.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse8 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (and .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse1 .cse5 .cse3 .cse6) (and .cse7 (or (and .cse0 .cse1 .cse4) (and .cse0 .cse1 .cse2))) (and .cse7 .cse1 .cse6) (and .cse1 .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse8))) [2023-04-03 01:10:57,487 INFO L899 garLoopResultBuilder]: For program point L715(lines 715 721) no Hoare annotation was computed. [2023-04-03 01:10:57,487 INFO L899 garLoopResultBuilder]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2023-04-03 01:10:57,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 695 758) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:10:57,487 INFO L895 garLoopResultBuilder]: At program point L751(lines 704 752) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:10:57,488 INFO L895 garLoopResultBuilder]: At program point L741-2(lines 735 746) the Hoare annotation is: (let ((.cse2 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse5 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and .cse1 .cse3 .cse2 .cse4) (and .cse0 .cse5 .cse1) (and .cse5 .cse1 .cse4) (and .cse1 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse6))) [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 695 758) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point L706(lines 705 750) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1010 1018) the Hoare annotation is: true [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 1010 1018) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 964 986) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 964 986) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 543 550) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 543 550) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 615 633) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L902 garLoopResultBuilder]: At program point L622(line 622) the Hoare annotation is: true [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point L622-1(line 622) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 615 633) the Hoare annotation is: true [2023-04-03 01:10:57,488 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 987 995) the Hoare annotation is: true [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 987 995) no Hoare annotation was computed. [2023-04-03 01:10:57,488 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 955 963) the Hoare annotation is: true [2023-04-03 01:10:57,488 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 955 963) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L895 garLoopResultBuilder]: At program point L447(line 447) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse3 (and .cse4 .cse10 .cse5)) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (= ~switchedOnBeforeTS~0 1)) (.cse12 (= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 1)) (.cse8 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse3) (or .cse1 .cse2 (and .cse4 (= 2 ~waterLevel~0) .cse5) (<= |old(~waterLevel~0)| 1) .cse6) (or .cse0 .cse7 .cse2 .cse8 (and .cse9 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse10)) .cse11)) (or .cse1 (and .cse4 .cse12 .cse5) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse7 .cse1 .cse2 .cse6 .cse3) (or .cse2 (and .cse9 .cse12 .cse11) .cse8 (not (= |old(~waterLevel~0)| 2)))))) [2023-04-03 01:10:57,489 INFO L895 garLoopResultBuilder]: At program point L445(lines 445 451) the Hoare annotation is: (let ((.cse7 (= 2 ~waterLevel~0)) (.cse16 (= |old(~waterLevel~0)| 2)) (.cse13 (= ~pumpRunning~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse17 (= 1 ~systemActive~0)) (.cse18 (= |old(~pumpRunning~0)| 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~switchedOnBeforeTS~0 0))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (and .cse6 .cse17 .cse18 .cse14 .cse8)) (.cse4 (and .cse7 .cse17 .cse16 .cse13)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse2 (not .cse18)) (.cse3 (not .cse17)) (.cse12 (= ~switchedOnBeforeTS~0 1)) (.cse9 (not (= |old(~pumpRunning~0)| 1))) (.cse15 (= ~waterLevel~0 1)) (.cse11 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 (and .cse6 .cse7 .cse8) .cse4 (<= |old(~waterLevel~0)| 1) .cse5) (let ((.cse10 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse14)))) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse3 .cse9 (and .cse6 .cse10 .cse11) (and .cse12 .cse10 .cse13))) (or .cse1 .cse2 (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse4 .cse5) (or .cse2 (and .cse6 .cse15 .cse8) (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse3 (and .cse12 .cse15 .cse13) .cse9 (not .cse16) (and .cse6 .cse15 .cse11))))) [2023-04-03 01:10:57,489 INFO L895 garLoopResultBuilder]: At program point L440(line 440) the Hoare annotation is: (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (<= |old(~waterLevel~0)| 1) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse3 .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1) (or (and (= ~switchedOnBeforeTS~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) (let ((.cse4 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse5 .cse1 .cse4))) .cse2) (or .cse3 .cse5 .cse0 .cse1))) [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point L438(lines 434 456) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point L436(lines 434 456) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 431 457) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 431 457) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse11 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse12 (< 2 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (and (= ~switchedOnBeforeTS~0 1) .cse2 .cse3) .cse4 .cse5) (or .cse6 (not (= |old(~waterLevel~0)| 1)) .cse4 (and .cse7 (= ~waterLevel~0 1))) (or .cse6 .cse8 .cse4 .cse9 .cse10) (or .cse6 .cse4 (and .cse7 .cse11) (<= |old(~waterLevel~0)| 1) .cse12) (or .cse4 .cse5 .cse9 (and .cse11 .cse3)) (or .cse0 .cse6 .cse8 .cse4 (and .cse7 .cse2 .cse10)) (or .cse1 .cse6 .cse4 .cse12 (and .cse7 .cse2 (= ~switchedOnBeforeTS~0 0))))) [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 431 457) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point L833(line 833) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 812 841) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 830) no Hoare annotation was computed. [2023-04-03 01:10:57,489 INFO L902 garLoopResultBuilder]: At program point L826-1(lines 826 830) the Hoare annotation is: true [2023-04-03 01:10:57,489 INFO L902 garLoopResultBuilder]: At program point L822-2(lines 822 836) the Hoare annotation is: true [2023-04-03 01:10:57,489 INFO L902 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: true [2023-04-03 01:10:57,489 INFO L899 garLoopResultBuilder]: For program point L818-1(line 818) no Hoare annotation was computed. [2023-04-03 01:10:57,490 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 841) the Hoare annotation is: true [2023-04-03 01:10:57,490 INFO L902 garLoopResultBuilder]: At program point L837(lines 812 841) the Hoare annotation is: true [2023-04-03 01:10:57,490 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 919 930) no Hoare annotation was computed. [2023-04-03 01:10:57,490 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 919 930) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-03 01:10:57,490 INFO L895 garLoopResultBuilder]: At program point L480(line 480) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 (= processEnvironment__wrappee__highWaterSensor_~tmp~3 0) .cse2))) [2023-04-03 01:10:57,490 INFO L895 garLoopResultBuilder]: At program point L476(line 476) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:10:57,490 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 466 490) no Hoare annotation was computed. [2023-04-03 01:10:57,490 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 482) no Hoare annotation was computed. [2023-04-03 01:10:57,490 INFO L895 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:10:57,490 INFO L899 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2023-04-03 01:10:57,490 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 487) no Hoare annotation was computed. [2023-04-03 01:10:57,490 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 490) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,490 INFO L895 garLoopResultBuilder]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,490 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 466 490) no Hoare annotation was computed. [2023-04-03 01:10:57,490 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 931 942) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 931 942) the Hoare annotation is: (let ((.cse5 (not (= ~pumpRunning~0 0))) (.cse4 (< 1 |old(~waterLevel~0)|)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse13 (<= |old(~waterLevel~0)| 1)) (.cse14 (< 2 |old(~waterLevel~0)|))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (and (or .cse4 .cse12) (or .cse13 .cse14))) (.cse9 (not (= ~pumpRunning~0 1))) (.cse0 (and (or .cse4 .cse12 .cse5) (or .cse5 .cse13 .cse14))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse11 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse1 .cse8 .cse2 .cse9 .cse3) (or .cse4 .cse5 .cse2 (< ~switchedOnBeforeTS~0 1) .cse7) (or .cse4 .cse2 .cse9 .cse6 .cse7) (or .cse10 .cse8 .cse2 .cse9 .cse11) (or .cse0 .cse10 .cse2 .cse11)))) [2023-04-03 01:10:57,491 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 908 915) the Hoare annotation is: true [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 908 915) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L895 garLoopResultBuilder]: At program point L511(line 511) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 492 516) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 492 516) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,491 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 508) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L895 garLoopResultBuilder]: At program point L498(line 498) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point L498-1(line 498) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 513) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 492 516) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:57,491 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 675 681) the Hoare annotation is: true [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 675 681) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 763 770) no Hoare annotation was computed. [2023-04-03 01:10:57,491 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 763 770) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:10:57,491 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 771 780) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 771 780) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (= ~switchedOnBeforeTS~0 0)) (.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (< 1 ~waterLevel~0) .cse3) (or .cse4 .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 (<= 1 ~switchedOnBeforeTS~0)) (or .cse0 .cse1 .cse2 (not .cse5) .cse3) (or .cse0 .cse4 .cse5 .cse2 (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1))))) [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L776(line 776) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (< 2 ~waterLevel~0) .cse1 .cse4 (< ~waterLevel~0 2)) (or .cse0 .cse1 .cse3 (< ~switchedOnBeforeTS~0 1)))) [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 803) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L895 garLoopResultBuilder]: At program point L791(line 791) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= ~pumpRunning~0 1))) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse1 .cse2 .cse5 (< ~switchedOnBeforeTS~0 1) .cse3) (or .cse0 .cse2 .cse6 (< ~waterLevel~0 2)) (or .cse2 .cse5 .cse6 .cse4 .cse3))) [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L791-1(line 791) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L789-1(lines 781 809) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L902 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: true [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 781 809) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 781 809) the Hoare annotation is: true [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 570 578) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 570 578) the Hoare annotation is: true [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L609(line 609) no Hoare annotation was computed. [2023-04-03 01:10:57,492 INFO L899 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 579 614) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 579 614) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L895 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 873 883) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 873 883) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 873 883) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 559 569) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 559 569) the Hoare annotation is: true [2023-04-03 01:10:57,493 INFO L902 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: true [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 551 558) no Hoare annotation was computed. [2023-04-03 01:10:57,493 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 551 558) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 658 667) no Hoare annotation was computed. [2023-04-03 01:10:57,494 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 658 667) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-03 01:10:57,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 943 954) the Hoare annotation is: true [2023-04-03 01:10:57,495 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 943 954) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 866 872) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 866 872) the Hoare annotation is: true [2023-04-03 01:10:57,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:10:57,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:10:57,495 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:10:57,498 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:57,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:10:57,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:10:57 BoogieIcfgContainer [2023-04-03 01:10:57,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:10:57,512 INFO L158 Benchmark]: Toolchain (without parser) took 53447.03ms. Allocated memory was 295.7MB in the beginning and 1.1GB in the end (delta: 763.4MB). Free memory was 234.5MB in the beginning and 914.8MB in the end (delta: -680.3MB). Peak memory consumption was 622.4MB. Max. memory is 8.0GB. [2023-04-03 01:10:57,512 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:10:57,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.65ms. Allocated memory is still 295.7MB. Free memory was 234.2MB in the beginning and 215.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:10:57,513 INFO L158 Benchmark]: Boogie Preprocessor took 85.93ms. Allocated memory is still 295.7MB. Free memory was 215.3MB in the beginning and 211.9MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:10:57,513 INFO L158 Benchmark]: RCFGBuilder took 937.14ms. Allocated memory is still 295.7MB. Free memory was 211.9MB in the beginning and 206.5MB in the end (delta: 5.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-04-03 01:10:57,513 INFO L158 Benchmark]: TraceAbstraction took 52004.89ms. Allocated memory was 295.7MB in the beginning and 1.1GB in the end (delta: 763.4MB). Free memory was 205.5MB in the beginning and 914.8MB in the end (delta: -709.3MB). Peak memory consumption was 593.0MB. Max. memory is 8.0GB. [2023-04-03 01:10:57,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 413.65ms. Allocated memory is still 295.7MB. Free memory was 234.2MB in the beginning and 215.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.93ms. Allocated memory is still 295.7MB. Free memory was 215.3MB in the beginning and 211.9MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 937.14ms. Allocated memory is still 295.7MB. Free memory was 211.9MB in the beginning and 206.5MB in the end (delta: 5.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 52004.89ms. Allocated memory was 295.7MB in the beginning and 1.1GB in the end (delta: 763.4MB). Free memory was 205.5MB in the beginning and 914.8MB in the end (delta: -709.3MB). Peak memory consumption was 593.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: 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, 202 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.9s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2260 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2198 mSDsluCounter, 6056 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4858 mSDsCounter, 1594 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7588 IncrementalHoareTripleChecker+Invalid, 9182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1594 mSolverCounterUnsat, 1198 mSDtfsCounter, 7588 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1786 GetRequests, 1383 SyntacticMatches, 43 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14284 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=874occurred in iteration=9, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 422 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2054 PreInvPairs, 2189 NumberOfFragments, 2617 HoareAnnotationTreeSize, 2054 FomulaSimplifications, 26516 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 69 FomulaSimplificationsInter, 23848 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1527 NumberOfCodeBlocks, 1527 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2034 ConstructedInterpolants, 0 QuantifiedInterpolants, 3793 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1840 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 700/842 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: 705]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && splverifierCounter == 0) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((splverifierCounter == 0 && switchedOnBeforeTS == 1) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && pumpRunning == 1)) || (2 == waterLevel && (((pumpRunning == 0 && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS) || ((pumpRunning == 0 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS)))) || ((2 == waterLevel && splverifierCounter == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel == 1) && pumpRunning == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive) - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:10:57,546 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...