/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_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:45,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:45,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:45,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:45,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:45,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:45,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:45,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:45,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:45,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:45,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:45,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:45,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:45,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:45,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:45,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:45,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:45,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:45,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:45,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:45,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:45,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:45,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:45,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:45,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:45,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:45,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:45,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:45,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:45,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:45,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:45,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:45,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:45,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:45,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:45,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:45,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:45,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:45,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:45,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:45,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:45,465 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 01:02:45,487 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:45,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:45,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:45,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:45,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:45,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:45,489 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:45,489 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:45,489 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:45,489 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:45,490 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:45,490 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:45,490 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:45,490 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:45,490 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:45,490 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:45,490 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:45,490 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:45,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:45,491 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:45,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:45,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:45,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:45,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:45,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:45,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:45,492 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:45,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:45,492 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:45,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:45,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:45,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:45,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:45,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:45,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:45,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:45,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:45,493 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:45,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:45,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:45,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:45,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:45,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:45,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:45,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:45,724 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:45,724 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:45,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2023-04-03 01:02:46,845 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:47,042 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:47,043 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2023-04-03 01:02:47,049 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ec4bd36/8a9810ae321c4b36a47e5b2ae2f0eec7/FLAG8e86ccdbe [2023-04-03 01:02:47,061 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ec4bd36/8a9810ae321c4b36a47e5b2ae2f0eec7 [2023-04-03 01:02:47,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:47,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:47,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:47,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:47,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:47,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca8bf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47, skipping insertion in model container [2023-04-03 01:02:47,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:47,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:47,256 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_spec3_product57.cil.c[13989,14002] [2023-04-03 01:02:47,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:47,284 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:47,364 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_spec3_product57.cil.c[13989,14002] [2023-04-03 01:02:47,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:47,407 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:47,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47 WrapperNode [2023-04-03 01:02:47,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:47,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:47,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:47,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:47,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,475 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:47,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:47,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:47,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:47,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (1/1) ... [2023-04-03 01:02:47,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:47,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:47,537 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 01:02:47,562 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 01:02:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:47,757 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:47,759 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:48,189 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:48,288 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:48,288 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:48,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:48 BoogieIcfgContainer [2023-04-03 01:02:48,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:48,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:48,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:48,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:48,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:47" (1/3) ... [2023-04-03 01:02:48,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56387c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:48, skipping insertion in model container [2023-04-03 01:02:48,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:47" (2/3) ... [2023-04-03 01:02:48,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56387c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:48, skipping insertion in model container [2023-04-03 01:02:48,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:48" (3/3) ... [2023-04-03 01:02:48,298 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2023-04-03 01:02:48,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:48,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:48,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:48,368 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;@5868e478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:48,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 72 states have (on average 1.25) internal successors, (90), 85 states have internal predecessors, (90), 49 states have call successors, (49), 31 states have call predecessors, (49), 31 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-04-03 01:02:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:48,379 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:48,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:48,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:48,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:48,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1824310398, now seen corresponding path program 1 times [2023-04-03 01:02:48,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:48,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524941205] [2023-04-03 01:02:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:48,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:48,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:48,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524941205] [2023-04-03 01:02:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524941205] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:48,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:48,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:48,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095882806] [2023-04-03 01:02:48,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:48,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:48,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:48,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:48,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:48,572 INFO L87 Difference]: Start difference. First operand has 155 states, 72 states have (on average 1.25) internal successors, (90), 85 states have internal predecessors, (90), 49 states have call successors, (49), 31 states have call predecessors, (49), 31 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:48,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:48,650 INFO L93 Difference]: Finished difference Result 243 states and 290 transitions. [2023-04-03 01:02:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:48,652 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:02:48,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:48,663 INFO L225 Difference]: With dead ends: 243 [2023-04-03 01:02:48,663 INFO L226 Difference]: Without dead ends: 122 [2023-04-03 01:02:48,667 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 01:02:48,672 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:48,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:48,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-04-03 01:02:48,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-04-03 01:02:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 73 states have internal predecessors, (76), 34 states have call successors, (34), 29 states have call predecessors, (34), 24 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:02:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 139 transitions. [2023-04-03 01:02:48,719 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 139 transitions. Word has length 47 [2023-04-03 01:02:48,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:48,719 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 139 transitions. [2023-04-03 01:02:48,719 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 139 transitions. [2023-04-03 01:02:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:48,722 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:48,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:48,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:48,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:48,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:48,723 INFO L85 PathProgramCache]: Analyzing trace with hash -611088876, now seen corresponding path program 1 times [2023-04-03 01:02:48,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:48,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226675336] [2023-04-03 01:02:48,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:48,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:48,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:48,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226675336] [2023-04-03 01:02:48,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226675336] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:48,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:48,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:48,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305579958] [2023-04-03 01:02:48,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:48,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:48,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:48,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:48,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:48,823 INFO L87 Difference]: Start difference. First operand 122 states and 139 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:48,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:48,890 INFO L93 Difference]: Finished difference Result 201 states and 229 transitions. [2023-04-03 01:02:48,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:48,892 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-04-03 01:02:48,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:48,893 INFO L225 Difference]: With dead ends: 201 [2023-04-03 01:02:48,893 INFO L226 Difference]: Without dead ends: 114 [2023-04-03 01:02:48,894 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 01:02:48,894 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 7 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:48,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 212 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:48,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-04-03 01:02:48,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-04-03 01:02:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 58 states have (on average 1.206896551724138) internal successors, (70), 68 states have internal predecessors, (70), 31 states have call successors, (31), 28 states have call predecessors, (31), 24 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:02:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2023-04-03 01:02:48,904 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 48 [2023-04-03 01:02:48,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:48,904 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2023-04-03 01:02:48,904 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2023-04-03 01:02:48,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:02:48,914 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:48,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:48,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:48,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:48,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:48,916 INFO L85 PathProgramCache]: Analyzing trace with hash -455872011, now seen corresponding path program 1 times [2023-04-03 01:02:48,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:48,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003864716] [2023-04-03 01:02:48,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:48,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:49,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:49,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003864716] [2023-04-03 01:02:49,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003864716] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:49,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:49,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:02:49,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420046136] [2023-04-03 01:02:49,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:49,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:02:49,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:49,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:02:49,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:49,111 INFO L87 Difference]: Start difference. First operand 114 states and 128 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:49,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:49,311 INFO L93 Difference]: Finished difference Result 206 states and 235 transitions. [2023-04-03 01:02:49,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:49,311 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-04-03 01:02:49,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:49,312 INFO L225 Difference]: With dead ends: 206 [2023-04-03 01:02:49,312 INFO L226 Difference]: Without dead ends: 114 [2023-04-03 01:02:49,313 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 01:02:49,314 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 176 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:49,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 311 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:49,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-04-03 01:02:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-04-03 01:02:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 67 states have internal predecessors, (69), 31 states have call successors, (31), 28 states have call predecessors, (31), 24 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:02:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2023-04-03 01:02:49,324 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 50 [2023-04-03 01:02:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:49,324 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2023-04-03 01:02:49,325 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2023-04-03 01:02:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-03 01:02:49,326 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:49,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:49,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:49,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:49,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:49,327 INFO L85 PathProgramCache]: Analyzing trace with hash -671240455, now seen corresponding path program 1 times [2023-04-03 01:02:49,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:49,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510722008] [2023-04-03 01:02:49,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:49,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:49,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:49,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510722008] [2023-04-03 01:02:49,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510722008] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:49,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:49,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:49,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337878174] [2023-04-03 01:02:49,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:49,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:49,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:49,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:49,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:49,473 INFO L87 Difference]: Start difference. First operand 114 states and 127 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:49,752 INFO L93 Difference]: Finished difference Result 300 states and 349 transitions. [2023-04-03 01:02:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:49,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 63 [2023-04-03 01:02:49,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:49,759 INFO L225 Difference]: With dead ends: 300 [2023-04-03 01:02:49,759 INFO L226 Difference]: Without dead ends: 208 [2023-04-03 01:02:49,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 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 01:02:49,769 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 157 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:49,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 144 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:49,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-04-03 01:02:49,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 193. [2023-04-03 01:02:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 104 states have (on average 1.1634615384615385) internal successors, (121), 112 states have internal predecessors, (121), 44 states have call successors, (44), 42 states have call predecessors, (44), 44 states have return successors, (48), 43 states have call predecessors, (48), 40 states have call successors, (48) [2023-04-03 01:02:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 213 transitions. [2023-04-03 01:02:49,803 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 213 transitions. Word has length 63 [2023-04-03 01:02:49,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:49,803 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 213 transitions. [2023-04-03 01:02:49,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 213 transitions. [2023-04-03 01:02:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-03 01:02:49,806 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:49,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:49,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:49,807 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:49,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:49,807 INFO L85 PathProgramCache]: Analyzing trace with hash 658326446, now seen corresponding path program 1 times [2023-04-03 01:02:49,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:49,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301147426] [2023-04-03 01:02:49,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:49,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:49,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:49,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301147426] [2023-04-03 01:02:49,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301147426] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:49,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:49,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:49,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626945008] [2023-04-03 01:02:49,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:49,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:49,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:49,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:49,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:49,986 INFO L87 Difference]: Start difference. First operand 193 states and 213 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:50,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:50,119 INFO L93 Difference]: Finished difference Result 477 states and 543 transitions. [2023-04-03 01:02:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:02:50,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72 [2023-04-03 01:02:50,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:50,124 INFO L225 Difference]: With dead ends: 477 [2023-04-03 01:02:50,125 INFO L226 Difference]: Without dead ends: 306 [2023-04-03 01:02:50,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:02:50,131 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 68 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:50,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 486 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-04-03 01:02:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 290. [2023-04-03 01:02:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 161 states have (on average 1.1614906832298137) internal successors, (187), 172 states have internal predecessors, (187), 63 states have call successors, (63), 60 states have call predecessors, (63), 65 states have return successors, (74), 64 states have call predecessors, (74), 59 states have call successors, (74) [2023-04-03 01:02:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 324 transitions. [2023-04-03 01:02:50,171 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 324 transitions. Word has length 72 [2023-04-03 01:02:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:50,172 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 324 transitions. [2023-04-03 01:02:50,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 324 transitions. [2023-04-03 01:02:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-03 01:02:50,173 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:50,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:50,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:50,174 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:50,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:50,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1661348494, now seen corresponding path program 1 times [2023-04-03 01:02:50,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:50,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840190135] [2023-04-03 01:02:50,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:50,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:50,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840190135] [2023-04-03 01:02:50,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840190135] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:50,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:50,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:50,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928484379] [2023-04-03 01:02:50,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:50,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:50,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:50,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:50,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:50,450 INFO L87 Difference]: Start difference. First operand 290 states and 324 transitions. Second operand has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:50,703 INFO L93 Difference]: Finished difference Result 575 states and 661 transitions. [2023-04-03 01:02:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:50,703 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) Word has length 75 [2023-04-03 01:02:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:50,708 INFO L225 Difference]: With dead ends: 575 [2023-04-03 01:02:50,708 INFO L226 Difference]: Without dead ends: 404 [2023-04-03 01:02:50,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:02:50,710 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 261 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:50,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1120 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:50,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2023-04-03 01:02:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 384. [2023-04-03 01:02:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 217 states have (on average 1.1612903225806452) internal successors, (252), 230 states have internal predecessors, (252), 81 states have call successors, (81), 77 states have call predecessors, (81), 85 states have return successors, (103), 85 states have call predecessors, (103), 77 states have call successors, (103) [2023-04-03 01:02:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 436 transitions. [2023-04-03 01:02:50,756 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 436 transitions. Word has length 75 [2023-04-03 01:02:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:50,759 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 436 transitions. [2023-04-03 01:02:50,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 436 transitions. [2023-04-03 01:02:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-03 01:02:50,763 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:50,763 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 01:02:50,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:50,763 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:50,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:50,763 INFO L85 PathProgramCache]: Analyzing trace with hash 662335500, now seen corresponding path program 1 times [2023-04-03 01:02:50,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:50,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097627748] [2023-04-03 01:02:50,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:50,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:50,877 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 01:02:50,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097627748] [2023-04-03 01:02:50,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097627748] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:50,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:50,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:50,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312459599] [2023-04-03 01:02:50,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:50,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:50,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:50,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:50,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:50,878 INFO L87 Difference]: Start difference. First operand 384 states and 436 transitions. Second operand has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:02:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:51,113 INFO L93 Difference]: Finished difference Result 912 states and 1078 transitions. [2023-04-03 01:02:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:51,114 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) Word has length 85 [2023-04-03 01:02:51,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:51,117 INFO L225 Difference]: With dead ends: 912 [2023-04-03 01:02:51,117 INFO L226 Difference]: Without dead ends: 550 [2023-04-03 01:02:51,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:02:51,118 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 53 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:51,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1200 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:51,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-04-03 01:02:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 530. [2023-04-03 01:02:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 307 states have (on average 1.1433224755700326) internal successors, (351), 320 states have internal predecessors, (351), 113 states have call successors, (113), 107 states have call predecessors, (113), 109 states have return successors, (146), 112 states have call predecessors, (146), 109 states have call successors, (146) [2023-04-03 01:02:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 610 transitions. [2023-04-03 01:02:51,155 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 610 transitions. Word has length 85 [2023-04-03 01:02:51,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:51,156 INFO L495 AbstractCegarLoop]: Abstraction has 530 states and 610 transitions. [2023-04-03 01:02:51,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 6 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 01:02:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 610 transitions. [2023-04-03 01:02:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-03 01:02:51,157 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:51,157 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:51,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:02:51,158 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:51,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:51,158 INFO L85 PathProgramCache]: Analyzing trace with hash 401166711, now seen corresponding path program 1 times [2023-04-03 01:02:51,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:51,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282189696] [2023-04-03 01:02:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:51,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:51,257 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 01:02:51,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:51,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282189696] [2023-04-03 01:02:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282189696] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:51,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:51,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:51,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256218065] [2023-04-03 01:02:51,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:51,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:51,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:51,259 INFO L87 Difference]: Start difference. First operand 530 states and 610 transitions. Second operand has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 01:02:51,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:51,459 INFO L93 Difference]: Finished difference Result 1044 states and 1204 transitions. [2023-04-03 01:02:51,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:51,459 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2023-04-03 01:02:51,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:51,462 INFO L225 Difference]: With dead ends: 1044 [2023-04-03 01:02:51,462 INFO L226 Difference]: Without dead ends: 536 [2023-04-03 01:02:51,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:02:51,463 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 101 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:51,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1059 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-04-03 01:02:51,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 508. [2023-04-03 01:02:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 291 states have (on average 1.120274914089347) internal successors, (326), 304 states have internal predecessors, (326), 109 states have call successors, (109), 103 states have call predecessors, (109), 107 states have return successors, (131), 108 states have call predecessors, (131), 105 states have call successors, (131) [2023-04-03 01:02:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 566 transitions. [2023-04-03 01:02:51,501 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 566 transitions. Word has length 88 [2023-04-03 01:02:51,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:51,501 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 566 transitions. [2023-04-03 01:02:51,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (17), 5 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 01:02:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 566 transitions. [2023-04-03 01:02:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 01:02:51,503 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:51,503 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-04-03 01:02:51,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 01:02:51,503 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:51,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1345271918, now seen corresponding path program 1 times [2023-04-03 01:02:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597876471] [2023-04-03 01:02:51,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-03 01:02:51,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597876471] [2023-04-03 01:02:51,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597876471] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026739111] [2023-04-03 01:02:51,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:51,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:51,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:51,697 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 01:02:51,699 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 01:02:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:51,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-03 01:02:51,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-03 01:02:52,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:02:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-03 01:02:52,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026739111] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:52,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 01:02:52,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11, 9] total 25 [2023-04-03 01:02:52,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863664172] [2023-04-03 01:02:52,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:52,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:02:52,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:52,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:02:52,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-04-03 01:02:52,633 INFO L87 Difference]: Start difference. First operand 508 states and 566 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (24), 6 states have call predecessors, (24), 5 states have call successors, (24) [2023-04-03 01:02:52,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:52,952 INFO L93 Difference]: Finished difference Result 1124 states and 1275 transitions. [2023-04-03 01:02:52,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 01:02:52,953 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (24), 6 states have call predecessors, (24), 5 states have call successors, (24) Word has length 125 [2023-04-03 01:02:52,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:52,954 INFO L225 Difference]: With dead ends: 1124 [2023-04-03 01:02:52,954 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:52,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2023-04-03 01:02:52,957 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 309 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:52,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 417 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:52,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:52,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:52,958 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 01:02:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:52,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2023-04-03 01:02:52,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:52,958 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:52,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (24), 6 states have call predecessors, (24), 5 states have call successors, (24) [2023-04-03 01:02:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:52,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:52,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:52,984 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 01:02:53,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:53,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:55,234 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 555 563) no Hoare annotation was computed. [2023-04-03 01:02:55,235 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 555 563) the Hoare annotation is: true [2023-04-03 01:02:55,236 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2023-04-03 01:02:55,236 INFO L895 garLoopResultBuilder]: At program point L979(line 979) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|)) [2023-04-03 01:02:55,236 INFO L895 garLoopResultBuilder]: At program point L979-1(line 979) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~10 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|)) [2023-04-03 01:02:55,236 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2023-04-03 01:02:55,236 INFO L899 garLoopResultBuilder]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2023-04-03 01:02:55,236 INFO L899 garLoopResultBuilder]: For program point L975(line 975) no Hoare annotation was computed. [2023-04-03 01:02:55,236 INFO L895 garLoopResultBuilder]: At program point L974(line 974) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) [2023-04-03 01:02:55,236 INFO L895 garLoopResultBuilder]: At program point L973(line 973) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) [2023-04-03 01:02:55,236 INFO L895 garLoopResultBuilder]: At program point L973-1(line 973) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) [2023-04-03 01:02:55,236 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 967 989) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) [2023-04-03 01:02:55,236 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 926 949) no Hoare annotation was computed. [2023-04-03 01:02:55,236 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 926 949) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L943(line 943) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L941(line 941) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L938(line 938) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 926 949) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L937(line 937) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L936(line 936) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L935(line 935) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L934(line 934) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L933(line 933) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L931(line 931) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L902 garLoopResultBuilder]: At program point L816(line 816) the Hoare annotation is: true [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point L816-1(line 816) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 809 827) the Hoare annotation is: true [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 809 827) no Hoare annotation was computed. [2023-04-03 01:02:55,237 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 541 547) no Hoare annotation was computed. [2023-04-03 01:02:55,238 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 541 547) the Hoare annotation is: true [2023-04-03 01:02:55,238 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:02:55,238 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-03 01:02:55,238 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 503 516) the Hoare annotation is: true [2023-04-03 01:02:55,238 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 503 516) no Hoare annotation was computed. [2023-04-03 01:02:55,238 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 675 699) no Hoare annotation was computed. [2023-04-03 01:02:55,238 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:55,238 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 675 699) no Hoare annotation was computed. [2023-04-03 01:02:55,238 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:55,238 INFO L895 garLoopResultBuilder]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:55,238 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2023-04-03 01:02:55,238 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 675 699) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:55,238 INFO L895 garLoopResultBuilder]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:55,239 INFO L899 garLoopResultBuilder]: For program point L681-1(line 681) no Hoare annotation was computed. [2023-04-03 01:02:55,239 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2023-04-03 01:02:55,239 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 641 647) no Hoare annotation was computed. [2023-04-03 01:02:55,239 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 641 647) the Hoare annotation is: true [2023-04-03 01:02:55,239 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 830 893) no Hoare annotation was computed. [2023-04-03 01:02:55,239 INFO L895 garLoopResultBuilder]: At program point L886(lines 839 887) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|)) [2023-04-03 01:02:55,239 INFO L895 garLoopResultBuilder]: At program point L876-2(lines 870 881) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1) (<= 2 |old(~waterLevel~0)|))) [2023-04-03 01:02:55,239 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 830 893) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) [2023-04-03 01:02:55,239 INFO L899 garLoopResultBuilder]: For program point L841(lines 840 885) no Hoare annotation was computed. [2023-04-03 01:02:55,239 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1) (<= 2 |old(~waterLevel~0)|))) [2023-04-03 01:02:55,239 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2023-04-03 01:02:55,239 INFO L899 garLoopResultBuilder]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2023-04-03 01:02:55,239 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1) (<= 2 |old(~waterLevel~0)|))) [2023-04-03 01:02:55,240 INFO L895 garLoopResultBuilder]: At program point L883(lines 840 885) the Hoare annotation is: (let ((.cse3 (< ~waterLevel~0 3)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not .cse0) (and .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse3) (and .cse2 .cse3 (= ~pumpRunning~0 1)) (<= 2 |old(~waterLevel~0)|) (and .cse1 .cse2 .cse0 (< ~waterLevel~0 2)))) [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 830 893) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 707) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 700 707) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 517 525) the Hoare annotation is: true [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 517 525) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 471 493) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 471 493) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L895 garLoopResultBuilder]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~6))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point L720-1(lines 709 725) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 709 725) no Hoare annotation was computed. [2023-04-03 01:02:55,240 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:55,240 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 709 725) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:55,241 INFO L899 garLoopResultBuilder]: For program point L714-1(line 714) no Hoare annotation was computed. [2023-04-03 01:02:55,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 494 502) the Hoare annotation is: true [2023-04-03 01:02:55,241 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 494 502) no Hoare annotation was computed. [2023-04-03 01:02:55,241 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 790 808) no Hoare annotation was computed. [2023-04-03 01:02:55,241 INFO L902 garLoopResultBuilder]: At program point L797(line 797) the Hoare annotation is: true [2023-04-03 01:02:55,241 INFO L899 garLoopResultBuilder]: For program point L797-1(line 797) no Hoare annotation was computed. [2023-04-03 01:02:55,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 808) the Hoare annotation is: true [2023-04-03 01:02:55,241 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 462 470) the Hoare annotation is: true [2023-04-03 01:02:55,241 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 462 470) no Hoare annotation was computed. [2023-04-03 01:02:55,241 INFO L895 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and (< ~waterLevel~0 2) (= ~pumpRunning~0 1))) (or .cse2 .cse0 (not (= 2 ~waterLevel~0)) .cse1 (= |old(~waterLevel~0)| 2)) (or .cse2 .cse0 .cse1 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 3))))) [2023-04-03 01:02:55,241 INFO L895 garLoopResultBuilder]: At program point L628(lines 628 634) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (< ~waterLevel~0 3)) (.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (< ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not .cse9)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse7 (and .cse4 .cse9 (not .cse8) .cse6))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (or .cse5 .cse0 (<= 2 |old(~waterLevel~0)|) .cse2) (or (and .cse6 .cse3) .cse5 .cse0 .cse1 (and .cse4 (not (= 2 ~waterLevel~0)) .cse6) .cse7) (or .cse5 .cse8 .cse0 .cse1 .cse7)))) [2023-04-03 01:02:55,241 INFO L895 garLoopResultBuilder]: At program point L623(line 623) the Hoare annotation is: (let ((.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 1)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)))) [2023-04-03 01:02:55,241 INFO L899 garLoopResultBuilder]: For program point L621(lines 620 639) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 617 640) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~waterLevel~0 3))) (and (or (and .cse0 (= ~pumpRunning~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse3 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)) (or .cse4 .cse1 (not (= 2 ~waterLevel~0)) .cse2 (= |old(~waterLevel~0)| 2)) (or .cse4 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse0)))) [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L902 garLoopResultBuilder]: At program point L921(lines 896 925) the Hoare annotation is: true [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L902 garLoopResultBuilder]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2023-04-03 01:02:55,242 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 925) the Hoare annotation is: true [2023-04-03 01:02:55,242 INFO L902 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2023-04-03 01:02:55,242 INFO L902 garLoopResultBuilder]: At program point L902(line 902) the Hoare annotation is: true [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point L902-1(line 902) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 426 437) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 426 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 1)))) (and (or .cse0 (<= 2 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 2)) (or .cse0 (<= 3 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 3)))) [2023-04-03 01:02:55,242 INFO L895 garLoopResultBuilder]: At program point L668(line 668) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 649 673) no Hoare annotation was computed. [2023-04-03 01:02:55,242 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 649 673) no Hoare annotation was computed. [2023-04-03 01:02:55,243 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:55,243 INFO L895 garLoopResultBuilder]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0) (and (= ~pumpRunning~0 0) (or (not (= 2 ~waterLevel~0)) (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1)))))) [2023-04-03 01:02:55,243 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2023-04-03 01:02:55,243 INFO L895 garLoopResultBuilder]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:55,243 INFO L899 garLoopResultBuilder]: For program point L655-1(line 655) no Hoare annotation was computed. [2023-04-03 01:02:55,243 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2023-04-03 01:02:55,243 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 649 673) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:55,243 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 438 449) no Hoare annotation was computed. [2023-04-03 01:02:55,243 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 438 449) the Hoare annotation is: (let ((.cse2 (<= 2 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse1 .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2023-04-03 01:02:55,243 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 601 608) the Hoare annotation is: true [2023-04-03 01:02:55,243 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2023-04-03 01:02:55,243 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 601 608) no Hoare annotation was computed. [2023-04-03 01:02:55,243 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 548 554) the Hoare annotation is: true [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 548 554) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 745 753) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 745 753) the Hoare annotation is: true [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point L784-1(line 784) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 754 789) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 754 789) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 966) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 734 744) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 734 744) the Hoare annotation is: true [2023-04-03 01:02:55,244 INFO L902 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: true [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point L739-1(line 739) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 726 733) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 726 733) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:02:55,244 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 531 540) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 531 540) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (<= 3 |old(~waterLevel~0)|) (< ~waterLevel~0 3))) [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 450 461) the Hoare annotation is: true [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 450 461) no Hoare annotation was computed. [2023-04-03 01:02:55,245 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 596) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L902 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: true [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point L574-1(line 574) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 567 599) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L895 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 (<= 2 ~waterLevel~0)) (or .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 592) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 567 599) the Hoare annotation is: true [2023-04-03 01:02:55,246 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point L584-1(line 584) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 595) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point L582-1(lines 567 599) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (< ~waterLevel~0 2)) [2023-04-03 01:02:55,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:55,246 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:55,249 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:55,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:55,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:55 BoogieIcfgContainer [2023-04-03 01:02:55,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:55,258 INFO L158 Benchmark]: Toolchain (without parser) took 8194.32ms. Allocated memory was 358.6MB in the beginning and 545.3MB in the end (delta: 186.6MB). Free memory was 323.9MB in the beginning and 241.2MB in the end (delta: 82.7MB). Peak memory consumption was 299.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:55,259 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:55,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.84ms. Allocated memory is still 358.6MB. Free memory was 323.9MB in the beginning and 304.8MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:02:55,259 INFO L158 Benchmark]: Boogie Preprocessor took 86.41ms. Allocated memory is still 358.6MB. Free memory was 304.8MB in the beginning and 301.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:02:55,259 INFO L158 Benchmark]: RCFGBuilder took 793.40ms. Allocated memory is still 358.6MB. Free memory was 301.3MB in the beginning and 237.9MB in the end (delta: 63.4MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2023-04-03 01:02:55,259 INFO L158 Benchmark]: TraceAbstraction took 6964.96ms. Allocated memory was 358.6MB in the beginning and 545.3MB in the end (delta: 186.6MB). Free memory was 237.4MB in the beginning and 241.2MB in the end (delta: -3.8MB). Peak memory consumption was 213.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:55,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 343.84ms. Allocated memory is still 358.6MB. Free memory was 323.9MB in the beginning and 304.8MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 86.41ms. Allocated memory is still 358.6MB. Free memory was 304.8MB in the beginning and 301.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 793.40ms. Allocated memory is still 358.6MB. Free memory was 301.3MB in the beginning and 237.9MB in the end (delta: 63.4MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * TraceAbstraction took 6964.96ms. Allocated memory was 358.6MB in the beginning and 545.3MB in the end (delta: 186.6MB). Free memory was 237.4MB in the beginning and 241.2MB in the end (delta: -3.8MB). Peak memory consumption was 213.2MB. 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: 605]: 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 42 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1154 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1132 mSDsluCounter, 5080 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4021 mSDsCounter, 487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1933 IncrementalHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 487 mSolverCounterUnsat, 1059 mSDtfsCounter, 1933 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=530occurred in iteration=7, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 99 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 1360 PreInvPairs, 1430 NumberOfFragments, 1248 HoareAnnotationTreeSize, 1360 FomulaSimplifications, 1661 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 8545 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 778 NumberOfCodeBlocks, 778 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 892 ConstructedInterpolants, 0 QuantifiedInterpolants, 1634 SizeOfPredicates, 6 NumberOfNonLiveVariables, 466 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 71/79 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: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel < 3)) || ((splverifierCounter == 0 && waterLevel < 3) && pumpRunning == 1)) || 2 <= \old(waterLevel)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel < 2) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= \old(waterLevel) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:55,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...