/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain IntervalDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 14:54:36,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 14:54:36,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 14:54:36,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 14:54:36,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 14:54:36,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 14:54:36,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 14:54:36,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 14:54:36,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 14:54:36,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 14:54:36,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 14:54:36,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 14:54:36,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 14:54:36,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 14:54:36,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 14:54:36,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 14:54:36,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 14:54:36,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 14:54:36,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 14:54:36,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 14:54:36,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 14:54:36,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 14:54:36,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 14:54:36,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 14:54:36,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 14:54:36,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 14:54:36,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 14:54:36,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 14:54:36,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 14:54:36,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 14:54:36,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 14:54:36,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 14:54:36,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 14:54:36,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 14:54:36,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 14:54:36,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 14:54:36,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 14:54:36,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 14:54:36,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 14:54:36,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 14:54:36,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 14:54:36,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-22 14:54:36,556 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 14:54:36,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 14:54:36,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 14:54:36,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 14:54:36,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 14:54:36,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 14:54:36,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 14:54:36,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 14:54:36,562 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 14:54:36,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 14:54:36,563 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 14:54:36,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 14:54:36,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 14:54:36,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 14:54:36,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 14:54:36,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 14:54:36,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 14:54:36,564 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 14:54:36,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 14:54:36,564 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 14:54:36,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 14:54:36,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 14:54:36,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 14:54:36,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 14:54:36,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 14:54:36,566 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 14:54:36,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 14:54:36,566 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 14:54:36,566 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-22 14:54:36,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 14:54:36,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 14:54:36,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 14:54:36,844 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 14:54:36,844 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 14:54:36,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2023-03-22 14:54:38,190 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 14:54:38,439 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 14:54:38,439 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2023-03-22 14:54:38,450 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3fef531/1d18ce2d4e3e480ea358837289d94fd7/FLAG970361097 [2023-03-22 14:54:38,461 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3fef531/1d18ce2d4e3e480ea358837289d94fd7 [2023-03-22 14:54:38,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 14:54:38,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 14:54:38,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 14:54:38,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 14:54:38,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 14:54:38,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d42a1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38, skipping insertion in model container [2023-03-22 14:54:38,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 14:54:38,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 14:54:38,715 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_spec4_product59.cil.c[9171,9184] [2023-03-22 14:54:38,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 14:54:38,818 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 14:54:38,863 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_spec4_product59.cil.c[9171,9184] [2023-03-22 14:54:38,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 14:54:38,898 INFO L208 MainTranslator]: Completed translation [2023-03-22 14:54:38,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38 WrapperNode [2023-03-22 14:54:38,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 14:54:38,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 14:54:38,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 14:54:38,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 14:54:38,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 14:54:38,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 14:54:38,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 14:54:38,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 14:54:38,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:54:38" (1/1) ... [2023-03-22 14:54:38,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 14:54:39,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 14:54:39,019 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) [2023-03-22 14:54:39,024 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 [2023-03-22 14:54:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 14:54:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 14:54:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-22 14:54:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-22 14:54:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-22 14:54:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-22 14:54:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-22 14:54:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-22 14:54:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-22 14:54:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-22 14:54:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-22 14:54:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-22 14:54:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-22 14:54:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 14:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 14:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 14:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 14:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 14:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-22 14:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-22 14:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-22 14:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-22 14:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-22 14:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-22 14:54:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-22 14:54:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-22 14:54:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 14:54:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 14:54:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 14:54:39,282 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 14:54:39,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 14:54:39,941 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 14:54:39,949 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 14:54:39,949 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-22 14:54:39,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 02:54:39 BoogieIcfgContainer [2023-03-22 14:54:39,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 14:54:39,952 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 14:54:39,952 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 14:54:39,955 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 14:54:39,956 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 02:54:39" (1/1) ... [2023-03-22 14:54:39,957 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-22 14:54:39,997 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 14:54:39,998 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 14:54:40,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 14:54:40,014 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 14:54:40,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 14:54:40,412 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 120 for LOIs [2023-03-22 14:54:41,153 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 120 for LOIs [2023-03-22 14:54:41,228 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 120 for LOIs [2023-03-22 14:54:44,919 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-22 14:54:44,921 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 33 for LOIs [2023-03-22 14:54:44,956 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 32 for LOIs [2023-03-22 14:54:44,995 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 34 for LOIs [2023-03-22 14:54:44,996 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 14:54:45,008 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 14:54:45,008 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 14:54:45,009 INFO L158 Benchmark]: Toolchain (without parser) took 6544.25ms. Allocated memory was 195.0MB in the beginning and 407.9MB in the end (delta: 212.9MB). Free memory was 143.9MB in the beginning and 159.8MB in the end (delta: -16.0MB). Peak memory consumption was 198.4MB. Max. memory is 8.0GB. [2023-03-22 14:54:45,010 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 14:54:45,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.66ms. Allocated memory is still 195.0MB. Free memory was 143.6MB in the beginning and 124.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-22 14:54:45,011 INFO L158 Benchmark]: Boogie Preprocessor took 70.79ms. Allocated memory is still 195.0MB. Free memory was 124.7MB in the beginning and 121.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-22 14:54:45,011 INFO L158 Benchmark]: RCFGBuilder took 980.06ms. Allocated memory was 195.0MB in the beginning and 235.9MB in the end (delta: 40.9MB). Free memory was 121.3MB in the beginning and 183.7MB in the end (delta: -62.3MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-03-22 14:54:45,012 INFO L158 Benchmark]: Sifa took 5055.96ms. Allocated memory was 235.9MB in the beginning and 407.9MB in the end (delta: 172.0MB). Free memory was 183.7MB in the beginning and 159.8MB in the end (delta: 23.8MB). Peak memory consumption was 196.3MB. Max. memory is 8.0GB. [2023-03-22 14:54:45,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 432.66ms. Allocated memory is still 195.0MB. Free memory was 143.6MB in the beginning and 124.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.79ms. Allocated memory is still 195.0MB. Free memory was 124.7MB in the beginning and 121.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 980.06ms. Allocated memory was 195.0MB in the beginning and 235.9MB in the end (delta: 40.9MB). Free memory was 121.3MB in the beginning and 183.7MB in the end (delta: -62.3MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Sifa took 5055.96ms. Allocated memory was 235.9MB in the beginning and 407.9MB in the end (delta: 172.0MB). Free memory was 183.7MB in the beginning and 159.8MB in the end (delta: 23.8MB). Peak memory consumption was 196.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 5.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 80, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 300, TOOLS_POST_TIME: 2.3s, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME: 1.1s, TOOLS_POST_RETURN_APPLICATIONS: 81, TOOLS_POST_RETURN_TIME: 1.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 458, TOOLS_QUANTIFIERELIM_TIME: 4.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 481, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 70, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 106, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 80, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 2.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 81, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 2.7s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, 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: 598, DAG_COMPRESSION_RETAINED_NODES: 245 - UnprovableResult [Line: 630]: 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 558#(and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= 0 |#NULL.base|) (<= ~methaneLevelCritical~0 1) (not (= ~pumpRunning~0 0)) (<= 0 ~head~0.offset) (<= ~pumpRunning~0 2147483647) (<= |#NULL.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 ~head~0.base) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (= ~waterLevel~0 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-22 14:54:45,035 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...