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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:11:06,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:11:06,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:11:06,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:11:06,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:11:06,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:11:06,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:11:06,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:11:06,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:11:06,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:11:06,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:11:06,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:11:06,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:11:06,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:11:06,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:11:06,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:11:06,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:11:06,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:11:06,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:11:06,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:11:06,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:11:06,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:11:06,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:11:06,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:11:06,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:11:06,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:11:06,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:11:06,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:11:06,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:11:06,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:11:06,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:11:06,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:11:06,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:11:06,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:11:06,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:11:06,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:11:06,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:11:06,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:11:06,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:11:06,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:11:06,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:11:06,548 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 [2019-09-20 15:11:06,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:11:06,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:11:06,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:11:06,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:11:06,564 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:11:06,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:11:06,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:11:06,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:11:06,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:11:06,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:11:06,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:11:06,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:11:06,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:11:06,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:11:06,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:11:06,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:11:06,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:11:06,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:11:06,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:11:06,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:11:06,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:11:06,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:11:06,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:11:06,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:11:06,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:11:06,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:11:06,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:11:06,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:11:06,568 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 -> NONE [2019-09-20 15:11:06,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:11:06,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:11:06,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:11:06,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:11:06,629 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:11:06,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-20 15:11:06,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc982a2c/6317f6aab5574890883d6635d5614bb1/FLAG123aa2f92 [2019-09-20 15:11:07,300 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:11:07,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-20 15:11:07,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc982a2c/6317f6aab5574890883d6635d5614bb1/FLAG123aa2f92 [2019-09-20 15:11:07,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc982a2c/6317f6aab5574890883d6635d5614bb1 [2019-09-20 15:11:07,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:11:07,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:11:07,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:07,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:11:07,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:11:07,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:07" (1/1) ... [2019-09-20 15:11:07,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:07, skipping insertion in model container [2019-09-20 15:11:07,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:07" (1/1) ... [2019-09-20 15:11:07,617 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:11:07,685 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:11:08,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:08,195 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:11:08,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:08,393 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:11:08,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08 WrapperNode [2019-09-20 15:11:08,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:08,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:11:08,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:11:08,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:11:08,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (1/1) ... [2019-09-20 15:11:08,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (1/1) ... [2019-09-20 15:11:08,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (1/1) ... [2019-09-20 15:11:08,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (1/1) ... [2019-09-20 15:11:08,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (1/1) ... [2019-09-20 15:11:08,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (1/1) ... [2019-09-20 15:11:08,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (1/1) ... [2019-09-20 15:11:08,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:11:08,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:11:08,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:11:08,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:11:08,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:08" (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 [2019-09-20 15:11:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:11:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:11:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:11:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:11:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:11:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:11:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:11:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:11:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:11:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:11:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:11:08,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:11:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:11:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:11:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:11:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:11:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:11:08,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:11:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:11:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:11:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:11:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:11:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:11:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:11:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:11:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:11:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:11:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:11:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:11:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:11:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:11:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:11:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:11:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:11:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:11:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:11:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:11:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:11:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:11:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:11:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:11:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:11:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:11:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:11:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:11:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:11:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:11:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:11:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:11:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:11:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:11:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:11:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:11:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:11:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:11:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:11:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:11:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:11:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:11:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:11:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:11:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:11:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:11:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:11:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:11:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:11:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:11:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 15:11:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:11:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:11:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:11:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:11:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:11:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:11:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:11:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:11:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:11:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:11:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:11:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:11:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:11:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:11:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:11:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:11:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:11:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:11:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:11:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:11:10,155 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:11:10,155 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:11:10,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:10 BoogieIcfgContainer [2019-09-20 15:11:10,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:11:10,158 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:11:10,158 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:11:10,158 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:11:10,159 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:10" (1/1) ... [2019-09-20 15:11:10,160 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:11:10,193 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:11:10,193 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:11:10,202 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:11:10,211 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:11:10,213 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:11:20,583 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:11:20,612 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:11:20,654 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:11:20,660 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:11:21,247 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:11:21,266 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:11:21,272 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 1 for LOIs [2019-09-20 15:11:21,277 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 17 for LOIs [2019-09-20 15:11:21,278 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:11:21,278 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:11:21,280 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 494#(and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 2147483647) (= 2 ~waterLevel~0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-20 15:11:21,295 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:11:21,295 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:11:21,298 INFO L168 Benchmark]: Toolchain (without parser) took 13693.64 ms. Allocated memory was 131.1 MB in the beginning and 332.4 MB in the end (delta: 201.3 MB). Free memory was 85.9 MB in the beginning and 249.1 MB in the end (delta: -163.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:21,299 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 15:11:21,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.10 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.7 MB in the beginning and 161.6 MB in the end (delta: -75.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:21,303 INFO L168 Benchmark]: Boogie Preprocessor took 81.66 ms. Allocated memory is still 197.7 MB. Free memory was 161.6 MB in the beginning and 157.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:21,309 INFO L168 Benchmark]: RCFGBuilder took 1681.48 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 157.0 MB in the beginning and 132.8 MB in the end (delta: 24.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:21,310 INFO L168 Benchmark]: Sifa took 11137.19 ms. Allocated memory was 218.6 MB in the beginning and 332.4 MB in the end (delta: 113.8 MB). Free memory was 132.8 MB in the beginning and 249.1 MB in the end (delta: -116.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:11:21,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.10 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.7 MB in the beginning and 161.6 MB in the end (delta: -75.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.66 ms. Allocated memory is still 197.7 MB. Free memory was 161.6 MB in the beginning and 157.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1681.48 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 157.0 MB in the beginning and 132.8 MB in the end (delta: 24.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 11137.19 ms. Allocated memory was 218.6 MB in the beginning and 332.4 MB in the end (delta: 113.8 MB). Free memory was 132.8 MB in the beginning and 249.1 MB in the end (delta: -116.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11088, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 248, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 164, TOOLS_POST_TIME[ms]: 10423, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 223, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 105, TOOLS_QUANTIFIERELIM_APPLICATIONS: 297, TOOLS_QUANTIFIERELIM_TIME[ms]: 10650, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10318, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 255, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 79, DOMAIN_JOIN_TIME[ms]: 22, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 148, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 417, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 417, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10427, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10426, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 414, DAG_COMPRESSION_RETAINED_NODES: 222 - UnprovableResult [Line: 595]: 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 494#(and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 2147483647) (= 2 ~waterLevel~0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...