/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 06:36:16,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 06:36:16,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 06:36:16,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 06:36:16,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 06:36:16,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 06:36:16,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 06:36:16,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 06:36:16,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 06:36:16,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 06:36:16,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 06:36:16,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 06:36:16,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 06:36:16,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 06:36:16,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 06:36:16,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 06:36:16,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 06:36:16,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 06:36:16,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 06:36:16,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 06:36:16,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 06:36:16,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 06:36:16,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 06:36:16,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 06:36:16,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 06:36:16,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 06:36:16,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 06:36:16,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 06:36:16,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 06:36:16,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 06:36:16,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 06:36:16,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 06:36:16,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 06:36:16,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 06:36:16,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 06:36:16,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 06:36:16,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 06:36:16,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 06:36:16,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 06:36:16,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 06:36:16,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 06:36:16,127 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 06:36:16,154 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 06:36:16,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 06:36:16,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 06:36:16,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 06:36:16,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 06:36:16,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 06:36:16,155 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 06:36:16,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 06:36:16,156 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 06:36:16,156 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 06:36:16,156 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 06:36:16,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 06:36:16,156 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 06:36:16,157 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 06:36:16,157 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 06:36:16,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 06:36:16,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 06:36:16,157 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 06:36:16,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 06:36:16,158 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 06:36:16,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 06:36:16,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 06:36:16,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 06:36:16,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 06:36:16,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 06:36:16,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 06:36:16,159 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 06:36:16,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 06:36:16,159 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 06:36:16,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 06:36:16,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 06:36:16,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 06:36:16,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:36:16,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 06:36:16,160 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 06:36:16,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 06:36:16,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 06:36:16,160 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 06:36:16,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 06:36:16,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 06:36:16,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 06:36:16,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 06:36:16,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 06:36:16,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 06:36:16,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 06:36:16,402 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 06:36:16,403 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 06:36:16,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2023-03-31 06:36:17,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 06:36:17,626 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 06:36:17,626 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2023-03-31 06:36:17,640 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05936096d/c6c50f2ef8c242cd97c12b8aa8bf6dee/FLAGd9fb04ded [2023-03-31 06:36:18,003 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05936096d/c6c50f2ef8c242cd97c12b8aa8bf6dee [2023-03-31 06:36:18,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 06:36:18,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 06:36:18,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 06:36:18,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 06:36:18,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 06:36:18,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55979290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18, skipping insertion in model container [2023-03-31 06:36:18,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 06:36:18,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 06:36:18,209 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_product20.cil.c[14361,14374] [2023-03-31 06:36:18,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:36:18,237 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 06:36:18,279 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_product20.cil.c[14361,14374] [2023-03-31 06:36:18,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:36:18,300 INFO L208 MainTranslator]: Completed translation [2023-03-31 06:36:18,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18 WrapperNode [2023-03-31 06:36:18,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 06:36:18,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 06:36:18,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 06:36:18,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 06:36:18,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,350 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 06:36:18,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 06:36:18,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 06:36:18,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 06:36:18,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:18" (1/1) ... [2023-03-31 06:36:18,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:36:18,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 06:36:18,385 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 06:36:18,392 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 06:36:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 06:36:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 06:36:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 06:36:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 06:36:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 06:36:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 06:36:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 06:36:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 06:36:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 06:36:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 06:36:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 06:36:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 06:36:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 06:36:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 06:36:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 06:36:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 06:36:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 06:36:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 06:36:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 06:36:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 06:36:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 06:36:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 06:36:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 06:36:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 06:36:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 06:36:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 06:36:18,568 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 06:36:18,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 06:36:19,066 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 06:36:19,149 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 06:36:19,149 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 06:36:19,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:36:19 BoogieIcfgContainer [2023-03-31 06:36:19,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 06:36:19,153 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 06:36:19,153 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 06:36:19,153 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 06:36:19,154 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:36:19" (1/1) ... [2023-03-31 06:36:19,154 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 06:36:19,179 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 06:36:19,179 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 06:36:19,184 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 06:36:19,189 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 06:36:19,190 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 06:36:19,452 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 120 for LOIs [2023-03-31 06:36:19,893 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 120 for LOIs [2023-03-31 06:36:19,935 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 120 for LOIs [2023-03-31 06:36:20,756 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-31 06:36:20,757 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 26 for LOIs [2023-03-31 06:36:20,802 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2023-03-31 06:36:20,819 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 for LOIs [2023-03-31 06:36:20,821 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 06:36:20,830 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 06:36:20,831 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 06:36:20,832 INFO L158 Benchmark]: Toolchain (without parser) took 2824.65ms. Allocated memory was 269.5MB in the beginning and 412.1MB in the end (delta: 142.6MB). Free memory was 229.3MB in the beginning and 351.6MB in the end (delta: -122.3MB). Peak memory consumption was 21.2MB. Max. memory is 8.0GB. [2023-03-31 06:36:20,835 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 211.8MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:36:20,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.13ms. Allocated memory is still 269.5MB. Free memory was 228.6MB in the beginning and 210.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 06:36:20,840 INFO L158 Benchmark]: Boogie Preprocessor took 52.88ms. Allocated memory is still 269.5MB. Free memory was 210.8MB in the beginning and 207.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 06:36:20,843 INFO L158 Benchmark]: RCFGBuilder took 796.84ms. Allocated memory is still 269.5MB. Free memory was 207.2MB in the beginning and 148.4MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2023-03-31 06:36:20,843 INFO L158 Benchmark]: Sifa took 1678.13ms. Allocated memory was 269.5MB in the beginning and 412.1MB in the end (delta: 142.6MB). Free memory was 148.4MB in the beginning and 351.6MB in the end (delta: -203.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:36:20,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 211.8MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 293.13ms. Allocated memory is still 269.5MB. Free memory was 228.6MB in the beginning and 210.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.88ms. Allocated memory is still 269.5MB. Free memory was 210.8MB in the beginning and 207.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 796.84ms. Allocated memory is still 269.5MB. Free memory was 207.2MB in the beginning and 148.4MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * Sifa took 1678.13ms. Allocated memory was 269.5MB in the beginning and 412.1MB in the end (delta: 142.6MB). Free memory was 148.4MB in the beginning and 351.6MB in the end (delta: -203.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 1.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 30, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 94, TOOLS_POST_TIME: 0.5s, TOOLS_POST_CALL_APPLICATIONS: 43, TOOLS_POST_CALL_TIME: 0.5s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 172, TOOLS_QUANTIFIERELIM_TIME: 1.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 169, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 28, 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: 30, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 20, 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: 443, DAG_COMPRESSION_RETAINED_NODES: 176 - UnprovableResult [Line: 653]: 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 204#(and (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 06:36:20,864 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...