/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_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 06:34:44,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 06:34:44,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 06:34:44,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 06:34:44,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 06:34:44,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 06:34:44,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 06:34:44,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 06:34:44,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 06:34:44,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 06:34:44,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 06:34:44,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 06:34:44,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 06:34:44,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 06:34:44,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 06:34:44,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 06:34:44,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 06:34:44,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 06:34:44,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 06:34:44,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 06:34:44,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 06:34:44,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 06:34:44,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 06:34:44,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 06:34:44,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 06:34:44,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 06:34:44,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 06:34:44,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 06:34:44,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 06:34:44,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 06:34:44,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 06:34:44,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 06:34:44,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 06:34:44,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 06:34:44,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 06:34:44,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 06:34:44,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 06:34:44,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 06:34:44,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 06:34:44,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 06:34:44,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 06:34:44,483 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 06:34:44,513 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 06:34:44,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 06:34:44,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 06:34:44,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 06:34:44,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 06:34:44,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 06:34:44,515 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 06:34:44,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 06:34:44,515 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 06:34:44,515 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 06:34:44,516 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 06:34:44,516 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 06:34:44,516 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 06:34:44,516 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 06:34:44,516 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 06:34:44,517 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 06:34:44,517 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 06:34:44,517 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 06:34:44,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 06:34:44,517 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 06:34:44,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 06:34:44,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 06:34:44,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 06:34:44,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 06:34:44,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 06:34:44,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 06:34:44,519 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 06:34:44,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 06:34:44,519 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 06:34:44,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 06:34:44,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 06:34:44,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 06:34:44,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:34:44,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 06:34:44,520 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 06:34:44,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 06:34:44,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 06:34:44,520 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 06:34:44,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 06:34:44,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 06:34:44,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 06:34:44,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 06:34:44,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 06:34:44,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 06:34:44,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 06:34:44,742 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 06:34:44,743 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 06:34:44,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2023-03-31 06:34:45,877 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 06:34:46,099 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 06:34:46,100 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2023-03-31 06:34:46,108 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b56e8dfb4/90274e54258843119d1fd50635ac64fd/FLAGb59a23c53 [2023-03-31 06:34:46,119 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b56e8dfb4/90274e54258843119d1fd50635ac64fd [2023-03-31 06:34:46,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 06:34:46,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 06:34:46,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 06:34:46,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 06:34:46,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 06:34:46,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a6acac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46, skipping insertion in model container [2023-03-31 06:34:46,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 06:34:46,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 06:34:46,396 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_spec2_product49.cil.c[18359,18372] [2023-03-31 06:34:46,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:34:46,419 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 06:34:46,482 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_spec2_product49.cil.c[18359,18372] [2023-03-31 06:34:46,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:34:46,499 INFO L208 MainTranslator]: Completed translation [2023-03-31 06:34:46,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46 WrapperNode [2023-03-31 06:34:46,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 06:34:46,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 06:34:46,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 06:34:46,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 06:34:46,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 06:34:46,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 06:34:46,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 06:34:46,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 06:34:46,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:34:46" (1/1) ... [2023-03-31 06:34:46,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:34:46,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 06:34:46,596 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 06:34:46,606 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 06:34:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 06:34:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 06:34:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 06:34:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 06:34:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 06:34:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 06:34:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 06:34:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 06:34:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 06:34:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 06:34:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 06:34:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 06:34:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 06:34:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 06:34:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 06:34:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 06:34:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 06:34:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 06:34:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 06:34:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 06:34:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 06:34:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 06:34:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 06:34:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 06:34:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 06:34:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 06:34:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 06:34:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 06:34:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 06:34:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 06:34:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 06:34:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 06:34:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 06:34:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 06:34:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 06:34:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 06:34:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 06:34:46,638 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 06:34:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 06:34:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 06:34:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 06:34:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-03-31 06:34:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 06:34:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 06:34:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 06:34:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 06:34:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 06:34:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 06:34:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 06:34:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 06:34:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 06:34:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 06:34:46,790 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 06:34:46,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 06:34:47,433 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 06:34:47,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 06:34:47,554 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 06:34:47,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:34:47 BoogieIcfgContainer [2023-03-31 06:34:47,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 06:34:47,558 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 06:34:47,558 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 06:34:47,558 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 06:34:47,559 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:34:47" (1/1) ... [2023-03-31 06:34:47,560 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 06:34:47,590 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 06:34:47,590 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 06:34:47,598 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 06:34:47,603 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 06:34:47,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 06:34:47,972 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 122 for LOIs [2023-03-31 06:34:48,551 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 122 for LOIs [2023-03-31 06:34:48,689 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 122 for LOIs [2023-03-31 06:34:49,722 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-31 06:34:49,724 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 47 for LOIs [2023-03-31 06:34:49,795 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 25 for LOIs [2023-03-31 06:34:49,826 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2023-03-31 06:34:49,829 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 06:34:49,840 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 06:34:49,845 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 06:34:49,846 INFO L158 Benchmark]: Toolchain (without parser) took 3723.06ms. Allocated memory was 306.2MB in the beginning and 373.3MB in the end (delta: 67.1MB). Free memory was 246.9MB in the beginning and 131.4MB in the end (delta: 115.5MB). Peak memory consumption was 184.0MB. Max. memory is 8.0GB. [2023-03-31 06:34:49,847 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:34:49,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.30ms. Allocated memory is still 306.2MB. Free memory was 246.7MB in the beginning and 228.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 06:34:49,848 INFO L158 Benchmark]: Boogie Preprocessor took 62.12ms. Allocated memory is still 306.2MB. Free memory was 228.0MB in the beginning and 224.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 06:34:49,852 INFO L158 Benchmark]: RCFGBuilder took 993.74ms. Allocated memory is still 306.2MB. Free memory was 224.4MB in the beginning and 218.1MB in the end (delta: 6.3MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2023-03-31 06:34:49,853 INFO L158 Benchmark]: Sifa took 2286.75ms. Allocated memory was 306.2MB in the beginning and 373.3MB in the end (delta: 67.1MB). Free memory was 218.1MB in the beginning and 131.4MB in the end (delta: 86.7MB). Peak memory consumption was 153.8MB. Max. memory is 8.0GB. [2023-03-31 06:34:49,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 376.30ms. Allocated memory is still 306.2MB. Free memory was 246.7MB in the beginning and 228.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.12ms. Allocated memory is still 306.2MB. Free memory was 228.0MB in the beginning and 224.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 993.74ms. Allocated memory is still 306.2MB. Free memory was 224.4MB in the beginning and 218.1MB in the end (delta: 6.3MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Sifa took 2286.75ms. Allocated memory was 306.2MB in the beginning and 373.3MB in the end (delta: 67.1MB). Free memory was 218.1MB in the beginning and 131.4MB in the end (delta: 86.7MB). Peak memory consumption was 153.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 2.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 24, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 93, TOOLS_POST_TIME: 0.7s, TOOLS_POST_CALL_APPLICATIONS: 42, TOOLS_POST_CALL_TIME: 0.8s, TOOLS_POST_RETURN_APPLICATIONS: 35, TOOLS_POST_RETURN_TIME: 0.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 169, TOOLS_QUANTIFIERELIM_TIME: 2.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 168, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, 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: 24, 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: 35, CALL_SUMMARIZER_CACHE_MISSES: 23, 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: 401, DAG_COMPRESSION_RETAINED_NODES: 180 - UnprovableResult [Line: 940]: 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 195#(and (<= ~methaneLevelCritical~0 1) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (= 1 ~systemActive~0) (not (= ~methaneLevelCritical~0 0)) (<= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 06:34:49,881 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...