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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:32:56,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:32:56,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:32:56,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:32:56,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:32:56,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:32:56,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:32:56,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:32:56,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:32:56,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:32:56,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:32:56,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:32:56,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:32:56,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:32:56,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:32:56,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:32:56,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:32:56,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:32:56,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:32:56,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:32:56,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:32:56,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:32:56,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:32:56,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:32:56,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:32:56,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:32:56,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:32:56,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:32:56,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:32:56,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:32:56,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:32:56,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:32:56,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:32:56,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:32:56,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:32:56,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:32:56,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:32:56,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:32:56,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:32:56,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:32:56,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:32:56,401 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 [2019-09-21 08:32:56,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:32:56,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:32:56,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:32:56,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:32:56,417 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:32:56,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:32:56,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:32:56,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:32:56,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:32:56,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:32:56,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:32:56,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:32:56,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:32:56,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:32:56,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:32:56,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:32:56,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:32:56,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:32:56,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:32:56,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:32:56,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:32:56,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:32:56,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:32:56,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:32:56,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:32:56,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:32:56,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:32:56,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:32:56,422 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 [2019-09-21 08:32:56,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:32:56,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:32:56,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:32:56,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:32:56,488 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:32:56,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-21 08:32:56,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6eb8fce5/cd98bdd672f842a68015049e17d1d45b/FLAGb9d63963c [2019-09-21 08:32:57,128 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:32:57,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-21 08:32:57,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6eb8fce5/cd98bdd672f842a68015049e17d1d45b/FLAGb9d63963c [2019-09-21 08:32:57,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6eb8fce5/cd98bdd672f842a68015049e17d1d45b [2019-09-21 08:32:57,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:32:57,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:32:57,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:32:57,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:32:57,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:32:57,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:57" (1/1) ... [2019-09-21 08:32:57,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350453ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:57, skipping insertion in model container [2019-09-21 08:32:57,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:32:57" (1/1) ... [2019-09-21 08:32:57,457 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:32:57,522 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:32:57,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:32:57,999 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:32:58,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:32:58,127 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:32:58,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58 WrapperNode [2019-09-21 08:32:58,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:32:58,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:32:58,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:32:58,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:32:58,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (1/1) ... [2019-09-21 08:32:58,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:32:58,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:32:58,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:32:58,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:32:58,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:32:58" (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 [2019-09-21 08:32:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:32:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:32:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:32:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:32:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:32:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:32:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:32:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:32:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:32:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:32:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:32:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:32:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:32:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:32:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:32:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:32:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:32:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:32:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:32:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:32:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:32:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:32:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:32:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:32:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:32:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:32:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:32:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:32:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:32:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:32:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:32:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:32:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:32:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:32:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:32:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:32:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:32:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:32:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:32:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:32:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:32:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:32:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:32:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:32:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:32:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:32:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:32:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:32:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:32:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:32:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:32:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:32:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:32:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:32:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:32:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:32:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:32:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:32:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:32:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:32:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:32:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:32:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:32:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:32:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:32:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:32:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:32:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:32:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:32:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:32:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:32:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:32:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:32:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:32:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:32:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:32:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:32:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:32:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:32:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:32:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:32:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:32:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:32:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:32:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:32:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:32:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:32:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:32:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:32:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:32:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:32:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:32:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:32:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:32:59,818 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:32:59,818 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:32:59,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:32:59 BoogieIcfgContainer [2019-09-21 08:32:59,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:32:59,821 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:32:59,821 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:32:59,821 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:32:59,822 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:32:59" (1/1) ... [2019-09-21 08:32:59,823 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 [2019-09-21 08:32:59,860 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:32:59,864 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:32:59,880 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:32:59,893 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:32:59,895 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:33:09,723 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:33:11,336 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:33:11,488 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:11,641 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:11,786 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:11,811 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-21 08:33:11,874 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-21 08:33:11,891 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-21 08:33:12,552 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-21 08:33:12,942 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:33:13,353 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-21 08:33:13,657 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:33:13,906 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-21 08:33:14,101 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:33:14,465 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 520 [2019-09-21 08:33:14,801 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 520 [2019-09-21 08:33:15,162 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 520 [2019-09-21 08:33:16,023 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:16,149 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:16,279 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:16,414 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:16,656 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:33:16,857 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:33:17,103 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:33:17,296 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:33:17,537 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:17,736 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:18,254 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:33:18,448 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:33:18,910 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:33:19,479 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:33:19,911 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:20,126 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:33:20,638 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:33:20,825 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:33:21,055 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:33:21,244 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:33:21,265 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 08:33:21,268 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 496 for LOIs [2019-09-21 08:33:21,574 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-21 08:33:21,577 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:33:21,579 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:33:21,579 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:33:21,580 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 415#(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))) [2019-09-21 08:33:21,602 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:33:21,602 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:33:21,604 INFO L168 Benchmark]: Toolchain (without parser) took 24162.49 ms. Allocated memory was 138.4 MB in the beginning and 830.5 MB in the end (delta: 692.1 MB). Free memory was 83.1 MB in the beginning and 697.2 MB in the end (delta: -614.2 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:21,605 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:33:21,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.56 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 82.9 MB in the beginning and 164.0 MB in the end (delta: -81.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:21,608 INFO L168 Benchmark]: Boogie Preprocessor took 94.13 ms. Allocated memory is still 198.2 MB. Free memory was 164.0 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:21,609 INFO L168 Benchmark]: RCFGBuilder took 1596.98 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 159.7 MB in the beginning and 143.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:21,610 INFO L168 Benchmark]: Sifa took 21781.25 ms. Allocated memory was 219.2 MB in the beginning and 830.5 MB in the end (delta: 611.3 MB). Free memory was 143.4 MB in the beginning and 697.2 MB in the end (delta: -553.9 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:21,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.56 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 82.9 MB in the beginning and 164.0 MB in the end (delta: -81.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.13 ms. Allocated memory is still 198.2 MB. Free memory was 164.0 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1596.98 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 159.7 MB in the beginning and 143.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. * Sifa took 21781.25 ms. Allocated memory was 219.2 MB in the beginning and 830.5 MB in the end (delta: 611.3 MB). Free memory was 143.4 MB in the beginning and 697.2 MB in the end (delta: -553.9 MB). Peak memory consumption was 57.4 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]: 21720, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 202, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 11648, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 275, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 247, TOOLS_QUANTIFIERELIM_TIME[ms]: 11878, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11499, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 205, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 9242, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 216, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4913, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4912, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11981, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11980, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 51, DAG_COMPRESSION_PROCESSED_NODES: 490, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 317]: 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 415#(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...