java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:04:58,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:04:58,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:04:58,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:04:58,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:04:58,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:04:58,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:04:58,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:04:58,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:04:58,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:04:58,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:04:58,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:04:58,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:04:58,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:04:58,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:04:58,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:04:58,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:04:58,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:04:58,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:04:58,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:04:58,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:04:58,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:04:58,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:04:58,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:04:58,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:04:58,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:04:58,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:04:58,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:04:58,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:04:58,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:04:58,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:04:58,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:04:58,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:04:58,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:04:58,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:04:58,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:04:58,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:04:58,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:04:58,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:04:58,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:04:58,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:04:58,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 06:04:58,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:04:58,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:04:58,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:04:58,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:04:58,532 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:04:58,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:04:58,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:04:58,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:04:58,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:04:58,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:04:58,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:04:58,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:04:58,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:04:58,534 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:04:58,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:04:58,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:04:58,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:04:58,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:04:58,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:04:58,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:04:58,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:04:58,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:04:58,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:04:58,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:04:58,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:04:58,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:04:58,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:04:58,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:04:58,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 06:04:58,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:04:58,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:04:58,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:04:58,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:04:58,601 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:04:58,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-17 06:04:58,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b7ff8b7/e8dc67e5b81d498ea96ed9b5cc834b26/FLAGb0efe41da [2019-09-17 06:04:59,206 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:04:59,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-17 06:04:59,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b7ff8b7/e8dc67e5b81d498ea96ed9b5cc834b26/FLAGb0efe41da [2019-09-17 06:04:59,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b7ff8b7/e8dc67e5b81d498ea96ed9b5cc834b26 [2019-09-17 06:04:59,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:04:59,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:04:59,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:04:59,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:04:59,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:04:59,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:04:59" (1/1) ... [2019-09-17 06:04:59,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7761132b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:59, skipping insertion in model container [2019-09-17 06:04:59,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:04:59" (1/1) ... [2019-09-17 06:04:59,583 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:04:59,643 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:05:00,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:05:00,131 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:05:00,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:05:00,309 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:05:00,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00 WrapperNode [2019-09-17 06:05:00,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:05:00,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:05:00,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:05:00,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:05:00,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... [2019-09-17 06:05:00,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... [2019-09-17 06:05:00,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... [2019-09-17 06:05:00,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... [2019-09-17 06:05:00,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... [2019-09-17 06:05:00,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... [2019-09-17 06:05:00,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... [2019-09-17 06:05:00,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:05:00,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:05:00,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:05:00,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:05:00,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:05:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:05:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:05:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:05:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:05:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:05:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:05:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:05:00,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:05:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:05:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:05:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:05:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:05:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:05:00,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 06:05:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:05:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 06:05:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 06:05:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:05:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:05:00,467 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:05:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:05:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:05:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:05:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 06:05:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:05:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:05:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:05:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:05:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:05:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:05:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:05:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:05:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:05:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:05:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:05:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:05:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:05:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:05:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:05:00,471 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:05:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:05:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:05:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:05:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:05:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:05:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:05:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 06:05:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:05:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:05:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:05:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:05:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:05:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 06:05:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:05:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:05:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 06:05:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:05:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:05:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:05:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:05:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:05:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:05:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:05:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:05:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 06:05:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:05:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:05:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:05:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:05:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:05:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:05:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:05:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:05:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:05:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:05:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:05:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:05:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:05:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:05:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:05:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:05:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:05:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:05:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:05:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:05:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:05:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:05:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:05:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:05:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:05:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:05:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:05:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:05:01,984 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:05:01,985 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:05:01,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:05:01 BoogieIcfgContainer [2019-09-17 06:05:01,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:05:01,988 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:05:01,988 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:05:01,988 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:05:01,990 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:05:01" (1/1) ... [2019-09-17 06:05:01,990 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:05:02,045 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:05:02,045 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:05:02,057 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:05:02,069 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:05:02,071 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:05:12,246 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 06:05:13,984 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:05:14,156 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:05:14,296 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:05:14,439 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:05:14,457 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-17 06:05:14,502 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-17 06:05:14,517 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-17 06:05:14,694 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 06:05:14,848 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 06:05:15,361 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 06:05:15,713 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 06:05:16,011 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 06:05:16,315 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 06:05:16,678 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-17 06:05:17,121 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-17 06:05:17,291 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-17 06:05:17,971 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-17 06:05:18,132 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:05:18,262 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-17 06:05:18,390 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:05:18,530 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:05:18,649 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:05:18,904 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:19,134 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:19,381 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:19,568 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:19,723 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 524 [2019-09-17 06:05:20,161 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-17 06:05:20,312 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:05:20,684 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:05:20,886 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:21,078 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:21,253 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:21,437 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 06:05:21,460 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 06:05:21,462 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 502 for LOIs [2019-09-17 06:05:21,760 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-17 06:05:21,764 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-17 06:05:21,768 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:05:21,768 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:05:21,770 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 388#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-17 06:05:21,781 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:05:21,781 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:05:21,783 INFO L168 Benchmark]: Toolchain (without parser) took 22217.57 ms. Allocated memory was 136.8 MB in the beginning and 648.5 MB in the end (delta: 511.7 MB). Free memory was 87.0 MB in the beginning and 553.3 MB in the end (delta: -466.3 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:05:21,784 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:05:21,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.83 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 86.8 MB in the beginning and 166.0 MB in the end (delta: -79.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:05:21,786 INFO L168 Benchmark]: Boogie Preprocessor took 94.70 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-17 06:05:21,787 INFO L168 Benchmark]: RCFGBuilder took 1582.30 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 161.8 MB in the beginning and 145.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:05:21,788 INFO L168 Benchmark]: Sifa took 19793.62 ms. Allocated memory was 225.4 MB in the beginning and 648.5 MB in the end (delta: 423.1 MB). Free memory was 145.7 MB in the beginning and 553.3 MB in the end (delta: -407.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:05:21,792 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.83 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 86.8 MB in the beginning and 166.0 MB in the end (delta: -79.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.70 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1582.30 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 161.8 MB in the beginning and 145.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Sifa took 19793.62 ms. Allocated memory was 225.4 MB in the beginning and 648.5 MB in the end (delta: 423.1 MB). Free memory was 145.7 MB in the beginning and 553.3 MB in the end (delta: -407.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 19725, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 125, TOOLS_POST_TIME[ms]: 12098, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 208, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 97, TOOLS_QUANTIFIERELIM_APPLICATIONS: 231, TOOLS_QUANTIFIERELIM_TIME[ms]: 12290, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12006, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 6924, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 220, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3571, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3570, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12532, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12531, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 417, DAG_COMPRESSION_RETAINED_NODES: 196 - UnprovableResult [Line: 435]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 388#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...