/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/SifaC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 06:33:34,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 06:33:34,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 06:33:34,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 06:33:34,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 06:33:34,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 06:33:34,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 06:33:34,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 06:33:34,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 06:33:34,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 06:33:34,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 06:33:34,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 06:33:34,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 06:33:34,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 06:33:34,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 06:33:34,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 06:33:34,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 06:33:34,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 06:33:34,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 06:33:34,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 06:33:34,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 06:33:34,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 06:33:34,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 06:33:34,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 06:33:34,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 06:33:34,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 06:33:34,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 06:33:34,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 06:33:34,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 06:33:34,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 06:33:34,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 06:33:34,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 06:33:34,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 06:33:34,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 06:33:34,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 06:33:34,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 06:33:34,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 06:33:34,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 06:33:34,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 06:33:34,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 06:33:34,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 06:33:34,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 06:33:34,433 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 06:33:34,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 06:33:34,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 06:33:34,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 06:33:34,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 06:33:34,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 06:33:34,435 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 06:33:34,435 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 06:33:34,435 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 06:33:34,435 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 06:33:34,435 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 06:33:34,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 06:33:34,436 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 06:33:34,436 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 06:33:34,436 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 06:33:34,436 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 06:33:34,436 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 06:33:34,436 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 06:33:34,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 06:33:34,437 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 06:33:34,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 06:33:34,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 06:33:34,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 06:33:34,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 06:33:34,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 06:33:34,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 06:33:34,438 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 06:33:34,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 06:33:34,438 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 06:33:34,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 06:33:34,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 06:33:34,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 06:33:34,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:33:34,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 06:33:34,439 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 06:33:34,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 06:33:34,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 06:33:34,439 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 06:33:34,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 06:33:34,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 06:33:34,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 06:33:34,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 06:33:34,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 06:33:34,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 06:33:34,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 06:33:34,665 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 06:33:34,666 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 06:33:34,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2023-03-31 06:33:36,012 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 06:33:36,252 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 06:33:36,253 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2023-03-31 06:33:36,263 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3098fec/5595bd0a176940078f8705ffa668ec70/FLAG600b8404e [2023-03-31 06:33:36,277 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3098fec/5595bd0a176940078f8705ffa668ec70 [2023-03-31 06:33:36,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 06:33:36,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 06:33:36,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 06:33:36,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 06:33:36,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 06:33:36,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ff820d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36, skipping insertion in model container [2023-03-31 06:33:36,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 06:33:36,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 06:33:36,612 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_spec1_product26.cil.c[17861,17874] [2023-03-31 06:33:36,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:33:36,627 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 06:33:36,688 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_spec1_product26.cil.c[17861,17874] [2023-03-31 06:33:36,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:33:36,701 INFO L208 MainTranslator]: Completed translation [2023-03-31 06:33:36,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36 WrapperNode [2023-03-31 06:33:36,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 06:33:36,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 06:33:36,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 06:33:36,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 06:33:36,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 06:33:36,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 06:33:36,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 06:33:36,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 06:33:36,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:33:36" (1/1) ... [2023-03-31 06:33:36,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:33:36,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 06:33:36,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 06:33:36,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 06:33:36,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 06:33:36,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 06:33:36,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 06:33:36,939 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 06:33:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 06:33:36,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 06:33:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 06:33:36,942 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 06:33:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 06:33:36,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 06:33:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 06:33:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 06:33:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 06:33:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 06:33:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 06:33:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 06:33:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 06:33:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 06:33:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 06:33:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 06:33:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 06:33:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 06:33:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 06:33:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 06:33:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 06:33:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 06:33:36,946 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 06:33:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-03-31 06:33:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 06:33:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 06:33:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 06:33:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 06:33:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 06:33:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 06:33:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 06:33:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 06:33:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 06:33:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 06:33:37,075 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 06:33:37,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 06:33:37,575 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 06:33:37,669 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 06:33:37,669 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 06:33:37,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:33:37 BoogieIcfgContainer [2023-03-31 06:33:37,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 06:33:37,672 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 06:33:37,672 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 06:33:37,672 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 06:33:37,673 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:33:37" (1/1) ... [2023-03-31 06:33:37,673 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 06:33:37,689 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 06:33:37,689 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 06:33:37,693 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 06:33:37,696 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 06:33:37,697 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 06:33:37,916 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 120 for LOIs [2023-03-31 06:33:38,433 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 120 for LOIs [2023-03-31 06:33:38,509 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 120 for LOIs [2023-03-31 06:33:39,350 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-31 06:33:39,351 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 26 for LOIs [2023-03-31 06:33:39,399 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 20 for LOIs [2023-03-31 06:33:39,424 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 31 for LOIs [2023-03-31 06:33:39,425 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 06:33:39,446 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 06:33:39,446 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 06:33:39,447 INFO L158 Benchmark]: Toolchain (without parser) took 3164.79ms. Allocated memory was 242.2MB in the beginning and 450.9MB in the end (delta: 208.7MB). Free memory was 176.9MB in the beginning and 242.9MB in the end (delta: -66.0MB). Peak memory consumption was 144.2MB. Max. memory is 8.0GB. [2023-03-31 06:33:39,447 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 242.2MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:33:39,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.88ms. Allocated memory is still 242.2MB. Free memory was 176.6MB in the beginning and 158.4MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 06:33:39,448 INFO L158 Benchmark]: Boogie Preprocessor took 126.15ms. Allocated memory was 242.2MB in the beginning and 320.9MB in the end (delta: 78.6MB). Free memory was 158.4MB in the beginning and 285.2MB in the end (delta: -126.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2023-03-31 06:33:39,448 INFO L158 Benchmark]: RCFGBuilder took 843.12ms. Allocated memory is still 320.9MB. Free memory was 285.2MB in the beginning and 227.5MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2023-03-31 06:33:39,449 INFO L158 Benchmark]: Sifa took 1773.99ms. Allocated memory was 320.9MB in the beginning and 450.9MB in the end (delta: 130.0MB). Free memory was 227.0MB in the beginning and 242.9MB in the end (delta: -15.8MB). Peak memory consumption was 114.7MB. Max. memory is 8.0GB. [2023-03-31 06:33:39,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 242.2MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.88ms. Allocated memory is still 242.2MB. Free memory was 176.6MB in the beginning and 158.4MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 126.15ms. Allocated memory was 242.2MB in the beginning and 320.9MB in the end (delta: 78.6MB). Free memory was 158.4MB in the beginning and 285.2MB in the end (delta: -126.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * RCFGBuilder took 843.12ms. Allocated memory is still 320.9MB. Free memory was 285.2MB in the beginning and 227.5MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * Sifa took 1773.99ms. Allocated memory was 320.9MB in the beginning and 450.9MB in the end (delta: 130.0MB). Free memory was 227.0MB in the beginning and 242.9MB in the end (delta: -15.8MB). Peak memory consumption was 114.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 1.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 25, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 85, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 39, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 155, TOOLS_QUANTIFIERELIM_TIME: 1.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 156, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 23, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 32, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 382, DAG_COMPRESSION_RETAINED_NODES: 163 - UnprovableResult [Line: 929]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 182#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (= 1 ~systemActive~0) (not (= ~methaneLevelCritical~0 0)) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 06:33:39,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...