/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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:43,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:43,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:43,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:43,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:43,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:43,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:43,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:43,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:43,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:43,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:43,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:43,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:43,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:43,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:43,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:43,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:43,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:43,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:43,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:43,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:43,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:43,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:43,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:43,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:43,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:43,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:43,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:43,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:43,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:43,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:43,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:43,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:43,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:43,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:43,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:43,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:43,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:43,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:43,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:43,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:43,442 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 01:02:43,454 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:43,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:43,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:43,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:43,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:43,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:43,455 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:43,455 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:43,456 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:43,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:43,456 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:43,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:43,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:43,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:43,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:43,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:43,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:43,466 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:43,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:43,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:43,467 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:43,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:43,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:43,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:43,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:43,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:43,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:43,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:43,769 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:43,770 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:43,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2023-04-03 01:02:44,964 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:45,250 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:45,250 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2023-04-03 01:02:45,262 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9813dfd/2deb479d96a8464c84f35a64b71ddd39/FLAGf7fda13db [2023-04-03 01:02:45,273 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9813dfd/2deb479d96a8464c84f35a64b71ddd39 [2023-04-03 01:02:45,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:45,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:45,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:45,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:45,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:45,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70050a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45, skipping insertion in model container [2023-04-03 01:02:45,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:45,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:45,438 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_product53.cil.c[1605,1618] [2023-04-03 01:02:45,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:45,526 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:45,538 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_product53.cil.c[1605,1618] [2023-04-03 01:02:45,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:45,600 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:45,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45 WrapperNode [2023-04-03 01:02:45,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:45,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:45,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:45,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:45,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,680 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:45,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:45,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:45,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:45,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (1/1) ... [2023-04-03 01:02:45,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:45,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:45,748 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 01:02:45,766 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 01:02:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:02:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:46,054 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:46,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:46,630 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:46,769 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:46,769 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:46,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:46 BoogieIcfgContainer [2023-04-03 01:02:46,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:46,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:46,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:46,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:46,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:45" (1/3) ... [2023-04-03 01:02:46,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104abeb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:46, skipping insertion in model container [2023-04-03 01:02:46,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:45" (2/3) ... [2023-04-03 01:02:46,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104abeb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:46, skipping insertion in model container [2023-04-03 01:02:46,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:46" (3/3) ... [2023-04-03 01:02:46,776 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2023-04-03 01:02:46,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:46,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:46,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:46,824 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;@2f8e4d88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:46,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 87 states have internal predecessors, (92), 51 states have call successors, (51), 31 states have call predecessors, (51), 31 states have return successors, (51), 45 states have call predecessors, (51), 51 states have call successors, (51) [2023-04-03 01:02:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:46,834 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:46,835 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 01:02:46,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:46,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:46,838 INFO L85 PathProgramCache]: Analyzing trace with hash 397694330, now seen corresponding path program 1 times [2023-04-03 01:02:46,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:46,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105777113] [2023-04-03 01:02:46,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:46,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:46,965 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 01:02:46,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:46,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105777113] [2023-04-03 01:02:46,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105777113] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:46,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:46,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:46,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318115277] [2023-04-03 01:02:46,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:46,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:46,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:47,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:47,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:47,010 INFO L87 Difference]: Start difference. First operand has 158 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 87 states have internal predecessors, (92), 51 states have call successors, (51), 31 states have call predecessors, (51), 31 states have return successors, (51), 45 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (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 01:02:47,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:47,099 INFO L93 Difference]: Finished difference Result 249 states and 302 transitions. [2023-04-03 01:02:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:47,101 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 01:02:47,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:47,111 INFO L225 Difference]: With dead ends: 249 [2023-04-03 01:02:47,111 INFO L226 Difference]: Without dead ends: 125 [2023-04-03 01:02:47,115 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 01:02:47,121 INFO L413 NwaCegarLoop]: 137 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, 137 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 01:02:47,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-04-03 01:02:47,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-04-03 01:02:47,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 64 states have (on average 1.21875) internal successors, (78), 75 states have internal predecessors, (78), 36 states have call successors, (36), 29 states have call predecessors, (36), 24 states have return successors, (31), 25 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-03 01:02:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2023-04-03 01:02:47,159 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 47 [2023-04-03 01:02:47,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:47,160 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2023-04-03 01:02:47,160 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 01:02:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2023-04-03 01:02:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:47,162 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:47,162 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 01:02:47,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:47,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:47,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:47,163 INFO L85 PathProgramCache]: Analyzing trace with hash -783515552, now seen corresponding path program 1 times [2023-04-03 01:02:47,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:47,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545558999] [2023-04-03 01:02:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:47,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:47,290 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 01:02:47,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:47,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545558999] [2023-04-03 01:02:47,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545558999] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:47,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:47,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:47,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227167251] [2023-04-03 01:02:47,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:47,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:47,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:47,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:47,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:47,293 INFO L87 Difference]: Start difference. First operand 125 states and 145 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 01:02:47,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:47,329 INFO L93 Difference]: Finished difference Result 207 states and 241 transitions. [2023-04-03 01:02:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:47,329 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 01:02:47,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:47,330 INFO L225 Difference]: With dead ends: 207 [2023-04-03 01:02:47,330 INFO L226 Difference]: Without dead ends: 117 [2023-04-03 01:02:47,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:47,332 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 7 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:47,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 224 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:47,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-04-03 01:02:47,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-04-03 01:02:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 70 states have internal predecessors, (72), 33 states have call successors, (33), 28 states have call predecessors, (33), 24 states have return successors, (29), 23 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:02:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2023-04-03 01:02:47,340 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 48 [2023-04-03 01:02:47,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:47,340 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2023-04-03 01:02:47,341 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 01:02:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2023-04-03 01:02:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:02:47,342 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:47,342 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 01:02:47,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:47,342 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:47,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:47,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1022171259, now seen corresponding path program 1 times [2023-04-03 01:02:47,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:47,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237501677] [2023-04-03 01:02:47,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:47,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:47,445 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 01:02:47,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:47,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237501677] [2023-04-03 01:02:47,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237501677] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:47,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:47,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:02:47,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677133374] [2023-04-03 01:02:47,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:47,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:02:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:47,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:02:47,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:47,448 INFO L87 Difference]: Start difference. First operand 117 states and 134 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 01:02:47,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:47,709 INFO L93 Difference]: Finished difference Result 212 states and 247 transitions. [2023-04-03 01:02:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:47,710 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 01:02:47,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:47,711 INFO L225 Difference]: With dead ends: 212 [2023-04-03 01:02:47,711 INFO L226 Difference]: Without dead ends: 117 [2023-04-03 01:02:47,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:47,713 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 184 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:47,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 327 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-04-03 01:02:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-04-03 01:02:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 69 states have internal predecessors, (71), 33 states have call successors, (33), 28 states have call predecessors, (33), 24 states have return successors, (29), 23 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:02:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2023-04-03 01:02:47,728 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 50 [2023-04-03 01:02:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:47,729 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2023-04-03 01:02:47,729 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 01:02:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-04-03 01:02:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-04-03 01:02:47,731 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:47,731 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] [2023-04-03 01:02:47,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:47,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:47,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:47,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1598539701, now seen corresponding path program 1 times [2023-04-03 01:02:47,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:47,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61077893] [2023-04-03 01:02:47,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:47,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:47,855 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 01:02:47,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61077893] [2023-04-03 01:02:47,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61077893] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:47,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:47,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:47,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695507483] [2023-04-03 01:02:47,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:47,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:47,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:47,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:47,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:47,857 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:02:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:48,160 INFO L93 Difference]: Finished difference Result 312 states and 369 transitions. [2023-04-03 01:02:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:48,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 67 [2023-04-03 01:02:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:48,167 INFO L225 Difference]: With dead ends: 312 [2023-04-03 01:02:48,167 INFO L226 Difference]: Without dead ends: 217 [2023-04-03 01:02:48,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:02:48,176 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 186 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:48,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 162 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:02:48,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-04-03 01:02:48,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 202. [2023-04-03 01:02:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 109 states have (on average 1.1559633027522935) internal successors, (126), 117 states have internal predecessors, (126), 46 states have call successors, (46), 43 states have call predecessors, (46), 46 states have return successors, (51), 46 states have call predecessors, (51), 42 states have call successors, (51) [2023-04-03 01:02:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 223 transitions. [2023-04-03 01:02:48,199 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 223 transitions. Word has length 67 [2023-04-03 01:02:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:48,199 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 223 transitions. [2023-04-03 01:02:48,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:02:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 223 transitions. [2023-04-03 01:02:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-04-03 01:02:48,205 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:48,206 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, 1, 1] [2023-04-03 01:02:48,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:48,206 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:48,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:48,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1292100697, now seen corresponding path program 1 times [2023-04-03 01:02:48,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:48,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033926500] [2023-04-03 01:02:48,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:48,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:48,363 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 01:02:48,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:48,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033926500] [2023-04-03 01:02:48,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033926500] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:48,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:48,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:48,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059014874] [2023-04-03 01:02:48,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:48,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:48,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:48,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:48,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:48,366 INFO L87 Difference]: Start difference. First operand 202 states and 223 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:48,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:48,479 INFO L93 Difference]: Finished difference Result 489 states and 555 transitions. [2023-04-03 01:02:48,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:02:48,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 77 [2023-04-03 01:02:48,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:48,485 INFO L225 Difference]: With dead ends: 489 [2023-04-03 01:02:48,485 INFO L226 Difference]: Without dead ends: 309 [2023-04-03 01:02:48,486 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 01:02:48,488 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 60 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:48,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 520 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:48,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-04-03 01:02:48,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 293. [2023-04-03 01:02:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 163 states have (on average 1.1533742331288344) internal successors, (188), 173 states have internal predecessors, (188), 63 states have call successors, (63), 60 states have call predecessors, (63), 66 states have return successors, (75), 66 states have call predecessors, (75), 59 states have call successors, (75) [2023-04-03 01:02:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 326 transitions. [2023-04-03 01:02:48,512 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 326 transitions. Word has length 77 [2023-04-03 01:02:48,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:48,512 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 326 transitions. [2023-04-03 01:02:48,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 326 transitions. [2023-04-03 01:02:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-04-03 01:02:48,513 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:48,513 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, 1, 1, 1, 1, 1] [2023-04-03 01:02:48,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:48,514 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:48,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:48,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2129101852, now seen corresponding path program 1 times [2023-04-03 01:02:48,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:48,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495276385] [2023-04-03 01:02:48,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:48,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:48,728 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 01:02:48,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:48,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495276385] [2023-04-03 01:02:48,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495276385] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:48,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:48,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:48,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002777574] [2023-04-03 01:02:48,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:48,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:48,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:48,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:48,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:48,730 INFO L87 Difference]: Start difference. First operand 293 states and 326 transitions. Second operand has 10 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 5 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 01:02:48,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:48,907 INFO L93 Difference]: Finished difference Result 570 states and 637 transitions. [2023-04-03 01:02:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:48,907 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 5 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2023-04-03 01:02:48,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:48,909 INFO L225 Difference]: With dead ends: 570 [2023-04-03 01:02:48,909 INFO L226 Difference]: Without dead ends: 299 [2023-04-03 01:02:48,909 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 01:02:48,910 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 122 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:48,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 941 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:48,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-03 01:02:48,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2023-04-03 01:02:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 155 states have (on average 1.1225806451612903) internal successors, (174), 165 states have internal predecessors, (174), 61 states have call successors, (61), 58 states have call predecessors, (61), 65 states have return successors, (68), 64 states have call predecessors, (68), 57 states have call successors, (68) [2023-04-03 01:02:48,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 303 transitions. [2023-04-03 01:02:48,955 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 303 transitions. Word has length 80 [2023-04-03 01:02:48,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:48,955 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 303 transitions. [2023-04-03 01:02:48,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 5 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 01:02:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 303 transitions. [2023-04-03 01:02:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-04-03 01:02:48,957 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:48,957 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, 1, 1, 1, 1, 1] [2023-04-03 01:02:48,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:48,957 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:48,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:48,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1978284254, now seen corresponding path program 1 times [2023-04-03 01:02:48,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:48,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866807774] [2023-04-03 01:02:48,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:48,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:02:49,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:49,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866807774] [2023-04-03 01:02:49,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866807774] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:49,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:49,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:49,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126479491] [2023-04-03 01:02:49,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:49,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:49,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:49,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:49,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:49,219 INFO L87 Difference]: Start difference. First operand 282 states and 303 transitions. Second operand has 14 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 01:02:49,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:49,479 INFO L93 Difference]: Finished difference Result 561 states and 620 transitions. [2023-04-03 01:02:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:49,480 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 3 states have call successors, (15) Word has length 80 [2023-04-03 01:02:49,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:49,481 INFO L225 Difference]: With dead ends: 561 [2023-04-03 01:02:49,482 INFO L226 Difference]: Without dead ends: 381 [2023-04-03 01:02:49,482 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 01:02:49,483 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 75 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:49,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1279 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:49,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2023-04-03 01:02:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 350. [2023-04-03 01:02:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 196 states have (on average 1.1224489795918366) internal successors, (220), 207 states have internal predecessors, (220), 74 states have call successors, (74), 72 states have call predecessors, (74), 79 states have return successors, (85), 77 states have call predecessors, (85), 70 states have call successors, (85) [2023-04-03 01:02:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 379 transitions. [2023-04-03 01:02:49,529 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 379 transitions. Word has length 80 [2023-04-03 01:02:49,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:49,530 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 379 transitions. [2023-04-03 01:02:49,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 6 states have return successors, (15), 7 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 01:02:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 379 transitions. [2023-04-03 01:02:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-04-03 01:02:49,531 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:49,531 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] [2023-04-03 01:02:49,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:02:49,532 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:49,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1785784432, now seen corresponding path program 1 times [2023-04-03 01:02:49,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:49,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442626185] [2023-04-03 01:02:49,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:49,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 01:02:49,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:49,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442626185] [2023-04-03 01:02:49,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442626185] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:49,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164338882] [2023-04-03 01:02:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:49,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:49,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:49,785 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 01:02:49,817 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 01:02:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:49,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-03 01:02:49,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:50,209 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 01:02:50,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:02:50,627 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 01:02:50,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164338882] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:50,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 01:02:50,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2023-04-03 01:02:50,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677185088] [2023-04-03 01:02:50,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:50,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:02:50,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:50,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:02:50,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2023-04-03 01:02:50,628 INFO L87 Difference]: Start difference. First operand 350 states and 379 transitions. Second operand has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-03 01:02:51,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:51,001 INFO L93 Difference]: Finished difference Result 748 states and 829 transitions. [2023-04-03 01:02:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 01:02:51,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) Word has length 117 [2023-04-03 01:02:51,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:51,002 INFO L225 Difference]: With dead ends: 748 [2023-04-03 01:02:51,002 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:51,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2023-04-03 01:02:51,004 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 281 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:51,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 398 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:02:51,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:51,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:51,004 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 01:02:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:51,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2023-04-03 01:02:51,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:51,005 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:51,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2023-04-03 01:02:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:51,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:51,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:51,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:02:51,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:51,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point L636(lines 613 637) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point L620(lines 620 624) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 589 644) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point L697(lines 670 698) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point L690(line 690) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point L690-1(line 690) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2023-04-03 01:02:53,334 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 645 704) no Hoare annotation was computed. [2023-04-03 01:02:53,335 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 681) no Hoare annotation was computed. [2023-04-03 01:02:53,335 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 87 95) no Hoare annotation was computed. [2023-04-03 01:02:53,335 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 87 95) the Hoare annotation is: true [2023-04-03 01:02:53,335 INFO L895 garLoopResultBuilder]: At program point L987(line 987) 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 01:02:53,335 INFO L895 garLoopResultBuilder]: At program point L987-1(line 987) 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 01:02:53,335 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 992) no Hoare annotation was computed. [2023-04-03 01:02:53,335 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 975 997) no Hoare annotation was computed. [2023-04-03 01:02:53,335 INFO L899 garLoopResultBuilder]: For program point L985-1(lines 985 992) no Hoare annotation was computed. [2023-04-03 01:02:53,335 INFO L899 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2023-04-03 01:02:53,335 INFO L895 garLoopResultBuilder]: At program point L982(line 982) 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 01:02:53,336 INFO L895 garLoopResultBuilder]: At program point L981(line 981) 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 01:02:53,336 INFO L895 garLoopResultBuilder]: At program point L981-1(line 981) 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 01:02:53,336 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 975 997) 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 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 934 957) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 934 957) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L952(line 952) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L951(line 951) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L949(line 949) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L947(line 947) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L946(line 946) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L943(line 943) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L941(line 941) no Hoare annotation was computed. [2023-04-03 01:02:53,336 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 934 957) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 379 397) the Hoare annotation is: true [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L902 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 73 79) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 73 79) the Hoare annotation is: true [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 856 901) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 479 492) the Hoare annotation is: true [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 479 492) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L895 garLoopResultBuilder]: At program point L282(line 282) 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 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point L282-1(lines 263 287) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 263 287) no Hoare annotation was computed. [2023-04-03 01:02:53,337 INFO L895 garLoopResultBuilder]: At program point L277(line 277) 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 01:02:53,338 INFO L895 garLoopResultBuilder]: At program point L273(line 273) 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 01:02:53,338 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 279) no Hoare annotation was computed. [2023-04-03 01:02:53,338 INFO L895 garLoopResultBuilder]: At program point L269(line 269) 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 01:02:53,338 INFO L899 garLoopResultBuilder]: For program point L269-1(line 269) no Hoare annotation was computed. [2023-04-03 01:02:53,338 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 284) no Hoare annotation was computed. [2023-04-03 01:02:53,338 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 287) 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 01:02:53,338 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 203 209) no Hoare annotation was computed. [2023-04-03 01:02:53,338 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 203 209) the Hoare annotation is: true [2023-04-03 01:02:53,338 INFO L895 garLoopResultBuilder]: At program point L157(lines 110 158) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (<= 2 |old(~waterLevel~0)|)) [2023-04-03 01:02:53,338 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 101 164) no Hoare annotation was computed. [2023-04-03 01:02:53,338 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 141 152) 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 01:02:53,338 INFO L899 garLoopResultBuilder]: For program point L112(lines 111 156) no Hoare annotation was computed. [2023-04-03 01:02:53,338 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 164) 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 01:02:53,338 INFO L895 garLoopResultBuilder]: At program point L133(line 133) 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 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 137) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L895 garLoopResultBuilder]: At program point L123(line 123) 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 01:02:53,339 INFO L895 garLoopResultBuilder]: At program point L154(lines 111 156) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (<= 2 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) .cse0 (< ~waterLevel~0 2)))) [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 101 164) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 493 501) the Hoare annotation is: true [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 493 501) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 447 469) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 447 469) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 288 295) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 360 378) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L902 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: true [2023-04-03 01:02:53,339 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2023-04-03 01:02:53,339 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 360 378) the Hoare annotation is: true [2023-04-03 01:02:53,339 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 470 478) the Hoare annotation is: true [2023-04-03 01:02:53,340 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 470 478) no Hoare annotation was computed. [2023-04-03 01:02:53,340 INFO L895 garLoopResultBuilder]: At program point L192(line 192) 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 01:02:53,340 INFO L895 garLoopResultBuilder]: At program point L190(lines 190 196) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (or .cse5 .cse0 (<= 2 |old(~waterLevel~0)|) .cse2) (let ((.cse6 (< ~waterLevel~0 3))) (or (and .cse6 .cse3) .cse5 .cse0 .cse1 (and .cse4 (not (= 2 ~waterLevel~0)) .cse6))))) [2023-04-03 01:02:53,340 INFO L895 garLoopResultBuilder]: At program point L185(line 185) 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 01:02:53,340 INFO L899 garLoopResultBuilder]: For program point L183(lines 182 201) no Hoare annotation was computed. [2023-04-03 01:02:53,340 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 179 202) no Hoare annotation was computed. [2023-04-03 01:02:53,340 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 202) 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 01:02:53,340 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 179 202) no Hoare annotation was computed. [2023-04-03 01:02:53,340 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2023-04-03 01:02:53,340 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2023-04-03 01:02:53,340 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2023-04-03 01:02:53,340 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2023-04-03 01:02:53,340 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2023-04-03 01:02:53,340 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2023-04-03 01:02:53,341 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2023-04-03 01:02:53,341 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2023-04-03 01:02:53,341 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 904 933) the Hoare annotation is: true [2023-04-03 01:02:53,341 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 438 446) the Hoare annotation is: true [2023-04-03 01:02:53,341 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 438 446) no Hoare annotation was computed. [2023-04-03 01:02:53,341 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 402 413) no Hoare annotation was computed. [2023-04-03 01:02:53,341 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 402 413) 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 01:02:53,341 INFO L895 garLoopResultBuilder]: At program point L225(line 225) 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 01:02:53,341 INFO L895 garLoopResultBuilder]: At program point L221(line 221) 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 (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (not (= 2 ~waterLevel~0))))))) [2023-04-03 01:02:53,341 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 211 235) no Hoare annotation was computed. [2023-04-03 01:02:53,341 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2023-04-03 01:02:53,341 INFO L895 garLoopResultBuilder]: At program point L217(line 217) 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 01:02:53,341 INFO L899 garLoopResultBuilder]: For program point L217-1(line 217) no Hoare annotation was computed. [2023-04-03 01:02:53,341 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 232) no Hoare annotation was computed. [2023-04-03 01:02:53,341 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 211 235) 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 01:02:53,342 INFO L895 garLoopResultBuilder]: At program point L230(line 230) 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 01:02:53,342 INFO L899 garLoopResultBuilder]: For program point L230-1(lines 211 235) no Hoare annotation was computed. [2023-04-03 01:02:53,342 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 414 425) no Hoare annotation was computed. [2023-04-03 01:02:53,342 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 414 425) 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 01:02:53,342 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 01:02:53,342 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 01:02:53,342 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 01:02:53,342 INFO L895 garLoopResultBuilder]: At program point L256(line 256) 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 01:02:53,342 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 237 261) no Hoare annotation was computed. [2023-04-03 01:02:53,342 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 237 261) no Hoare annotation was computed. [2023-04-03 01:02:53,342 INFO L895 garLoopResultBuilder]: At program point L251(line 251) 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 01:02:53,342 INFO L895 garLoopResultBuilder]: At program point L247(line 247) 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 01:02:53,342 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 253) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L895 garLoopResultBuilder]: At program point L243(line 243) 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 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point L243-1(line 243) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 237 261) 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 01:02:53,343 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 80 86) the Hoare annotation is: true [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 80 86) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 315 323) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 315 323) the Hoare annotation is: true [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 324 359) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 324 359) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 543 588) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 965 974) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 965 974) 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 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 965 974) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 304 314) no Hoare annotation was computed. [2023-04-03 01:02:53,343 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 304 314) the Hoare annotation is: true [2023-04-03 01:02:53,343 INFO L902 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: true [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 296 303) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 296 303) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 810 855) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 63 72) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L731(lines 731 735) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 707 809) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L777(lines 755 778) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 752) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L757(lines 756 776) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 794) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L772(line 772) no Hoare annotation was computed. [2023-04-03 01:02:53,344 INFO L899 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2023-04-03 01:02:53,345 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 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 426 437) the Hoare annotation is: true [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 426 437) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 532) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L902 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: true [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 503 535) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (<= 2 ~waterLevel~0)) (or .cse0 (<= 3 ~waterLevel~0) (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 528) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 503 535) the Hoare annotation is: true [2023-04-03 01:02:53,345 INFO L895 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 503 535) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L902 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: true [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point L516-1(line 516) no Hoare annotation was computed. [2023-04-03 01:02:53,345 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 958 964) no Hoare annotation was computed. [2023-04-03 01:02:53,346 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 958 964) the Hoare annotation is: true [2023-04-03 01:02:53,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:53,346 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 01:02:53,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:53,346 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:53,348 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:53,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:53,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:53 BoogieIcfgContainer [2023-04-03 01:02:53,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:53,388 INFO L158 Benchmark]: Toolchain (without parser) took 8110.50ms. Allocated memory was 268.4MB in the beginning and 356.5MB in the end (delta: 88.1MB). Free memory was 221.8MB in the beginning and 307.3MB in the end (delta: -85.5MB). Peak memory consumption was 192.7MB. Max. memory is 8.0GB. [2023-04-03 01:02:53,388 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 137.6MB in the beginning and 137.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:53,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.63ms. Allocated memory is still 268.4MB. Free memory was 221.8MB in the beginning and 202.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:02:53,389 INFO L158 Benchmark]: Boogie Preprocessor took 84.51ms. Allocated memory is still 268.4MB. Free memory was 202.9MB in the beginning and 199.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:53,389 INFO L158 Benchmark]: RCFGBuilder took 1084.45ms. Allocated memory is still 268.4MB. Free memory was 199.3MB in the beginning and 198.9MB in the end (delta: 333.8kB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. [2023-04-03 01:02:53,389 INFO L158 Benchmark]: TraceAbstraction took 6615.84ms. Allocated memory was 268.4MB in the beginning and 356.5MB in the end (delta: 88.1MB). Free memory was 198.4MB in the beginning and 307.3MB in the end (delta: -108.9MB). Peak memory consumption was 167.9MB. Max. memory is 8.0GB. [2023-04-03 01:02:53,390 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 185.6MB. Free memory was 137.6MB in the beginning and 137.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 321.63ms. Allocated memory is still 268.4MB. Free memory was 221.8MB in the beginning and 202.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.51ms. Allocated memory is still 268.4MB. Free memory was 202.9MB in the beginning and 199.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1084.45ms. Allocated memory is still 268.4MB. Free memory was 199.3MB in the beginning and 198.9MB in the end (delta: 333.8kB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. * TraceAbstraction took 6615.84ms. Allocated memory was 268.4MB in the beginning and 356.5MB in the end (delta: 88.1MB). Free memory was 198.4MB in the beginning and 307.3MB in the end (delta: -108.9MB). Peak memory consumption was 167.9MB. 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: 54]: 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, 197 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 932 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 915 mSDsluCounter, 3988 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3069 mSDsCounter, 345 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1520 IncrementalHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 345 mSolverCounterUnsat, 919 mSDtfsCounter, 1520 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=7, InterpolantAutomatonStates: 62, 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, 8 MinimizatonAttempts, 79 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 919 PreInvPairs, 962 NumberOfFragments, 1219 HoareAnnotationTreeSize, 919 FomulaSimplifications, 1391 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 4967 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 1468 SizeOfPredicates, 6 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 71/77 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: 111]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((splverifierCounter == 0 && waterLevel < 3) && pumpRunning == 1)) || 2 <= \old(waterLevel)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel < 2) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= \old(waterLevel) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:53,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...