/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_spec4_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 06:36:35,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 06:36:35,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 06:36:35,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 06:36:35,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 06:36:35,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 06:36:35,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 06:36:35,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 06:36:35,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 06:36:35,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 06:36:35,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 06:36:35,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 06:36:35,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 06:36:35,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 06:36:35,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 06:36:35,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 06:36:35,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 06:36:35,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 06:36:35,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 06:36:35,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 06:36:35,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 06:36:35,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 06:36:35,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 06:36:35,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 06:36:35,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 06:36:35,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 06:36:35,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 06:36:35,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 06:36:35,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 06:36:35,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 06:36:35,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 06:36:35,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 06:36:35,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 06:36:35,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 06:36:35,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 06:36:35,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 06:36:35,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 06:36:35,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 06:36:35,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 06:36:35,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 06:36:35,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 06:36:35,624 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 06:36:35,659 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 06:36:35,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 06:36:35,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 06:36:35,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 06:36:35,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 06:36:35,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 06:36:35,661 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 06:36:35,661 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 06:36:35,662 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 06:36:35,662 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 06:36:35,662 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 06:36:35,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 06:36:35,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 06:36:35,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 06:36:35,663 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 06:36:35,663 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 06:36:35,663 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 06:36:35,663 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 06:36:35,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 06:36:35,664 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 06:36:35,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 06:36:35,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 06:36:35,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 06:36:35,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 06:36:35,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 06:36:35,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:36:35,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 06:36:35,666 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 06:36:35,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 06:36:35,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 06:36:35,667 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 06:36:35,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 06:36:35,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 06:36:35,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 06:36:35,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 06:36:35,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 06:36:35,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 06:36:35,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 06:36:35,928 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 06:36:35,929 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 06:36:35,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2023-03-31 06:36:37,090 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 06:36:37,306 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 06:36:37,308 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2023-03-31 06:36:37,317 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce87cfdb/db7483cc078d4887a9228ef1588f7504/FLAGf8056d72e [2023-03-31 06:36:37,328 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce87cfdb/db7483cc078d4887a9228ef1588f7504 [2023-03-31 06:36:37,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 06:36:37,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 06:36:37,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 06:36:37,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 06:36:37,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 06:36:37,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f256fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37, skipping insertion in model container [2023-03-31 06:36:37,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 06:36:37,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 06:36:37,558 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_product48.cil.c[11718,11731] [2023-03-31 06:36:37,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:36:37,620 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 06:36:37,690 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_product48.cil.c[11718,11731] [2023-03-31 06:36:37,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:36:37,732 INFO L208 MainTranslator]: Completed translation [2023-03-31 06:36:37,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37 WrapperNode [2023-03-31 06:36:37,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 06:36:37,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 06:36:37,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 06:36:37,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 06:36:37,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 06:36:37,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 06:36:37,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 06:36:37,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 06:36:37,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:37" (1/1) ... [2023-03-31 06:36:37,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:36:37,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 06:36:37,870 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 06:36:37,888 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 06:36:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 06:36:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 06:36:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 06:36:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 06:36:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 06:36:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 06:36:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 06:36:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 06:36:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 06:36:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 06:36:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 06:36:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 06:36:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 06:36:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 06:36:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 06:36:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 06:36:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 06:36:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 06:36:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 06:36:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 06:36:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 06:36:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 06:36:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 06:36:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 06:36:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 06:36:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 06:36:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 06:36:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 06:36:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 06:36:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 06:36:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 06:36:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 06:36:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 06:36:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 06:36:38,103 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 06:36:38,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 06:36:38,639 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 06:36:38,749 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 06:36:38,749 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 06:36:38,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:36:38 BoogieIcfgContainer [2023-03-31 06:36:38,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 06:36:38,755 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 06:36:38,755 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 06:36:38,755 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 06:36:38,756 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:36:38" (1/1) ... [2023-03-31 06:36:38,756 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 06:36:38,783 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 06:36:38,784 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 06:36:38,791 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 06:36:38,797 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 06:36:38,798 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 06:36:39,156 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 120 for LOIs [2023-03-31 06:36:39,905 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 120 for LOIs [2023-03-31 06:36:39,978 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 120 for LOIs [2023-03-31 06:36:41,369 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-31 06:36:41,371 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 27 for LOIs [2023-03-31 06:36:41,431 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 21 for LOIs [2023-03-31 06:36:41,460 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 31 for LOIs [2023-03-31 06:36:41,464 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 06:36:41,475 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 06:36:41,480 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 06:36:41,481 INFO L158 Benchmark]: Toolchain (without parser) took 4149.14ms. Allocated memory was 320.9MB in the beginning and 505.4MB in the end (delta: 184.5MB). Free memory was 270.0MB in the beginning and 360.5MB in the end (delta: -90.5MB). Peak memory consumption was 94.9MB. Max. memory is 8.0GB. [2023-03-31 06:36:41,482 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:36:41,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.92ms. Allocated memory is still 320.9MB. Free memory was 269.6MB in the beginning and 251.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 06:36:41,483 INFO L158 Benchmark]: Boogie Preprocessor took 94.61ms. Allocated memory is still 320.9MB. Free memory was 251.1MB in the beginning and 247.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 06:36:41,487 INFO L158 Benchmark]: RCFGBuilder took 924.35ms. Allocated memory is still 320.9MB. Free memory was 247.6MB in the beginning and 248.9MB in the end (delta: -1.3MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. [2023-03-31 06:36:41,488 INFO L158 Benchmark]: Sifa took 2725.24ms. Allocated memory was 320.9MB in the beginning and 505.4MB in the end (delta: 184.5MB). Free memory was 248.9MB in the beginning and 360.5MB in the end (delta: -111.6MB). Peak memory consumption was 73.0MB. Max. memory is 8.0GB. [2023-03-31 06:36:41,492 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 184.5MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 399.92ms. Allocated memory is still 320.9MB. Free memory was 269.6MB in the beginning and 251.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 94.61ms. Allocated memory is still 320.9MB. Free memory was 251.1MB in the beginning and 247.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 924.35ms. Allocated memory is still 320.9MB. Free memory was 247.6MB in the beginning and 248.9MB in the end (delta: -1.3MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. * Sifa took 2725.24ms. Allocated memory was 320.9MB in the beginning and 505.4MB in the end (delta: 184.5MB). Free memory was 248.9MB in the beginning and 360.5MB in the end (delta: -111.6MB). Peak memory consumption was 73.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 2.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 33, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 110, TOOLS_POST_TIME: 0.8s, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME: 1.0s, TOOLS_POST_RETURN_APPLICATIONS: 43, TOOLS_POST_RETURN_TIME: 0.6s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 202, TOOLS_QUANTIFIERELIM_TIME: 2.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 197, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 31, 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: 33, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 43, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, 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: 486, DAG_COMPRESSION_RETAINED_NODES: 206 - UnprovableResult [Line: 449]: 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 237#(and (<= ~methaneLevelCritical~0 1) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~waterLevel~0 0) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1) (= ~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 06:36:41,516 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...