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_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:31:03,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:31:03,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:31:03,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:31:03,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:31:03,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:31:03,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:31:03,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:31:03,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:31:03,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:31:03,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:31:03,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:31:03,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:31:03,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:31:03,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:31:03,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:31:03,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:31:03,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:31:03,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:31:03,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:31:03,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:31:03,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:31:03,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:31:03,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:31:03,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:31:03,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:31:03,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:31:03,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:31:03,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:31:03,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:31:03,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:31:03,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:31:03,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:31:03,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:31:03,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:31:03,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:31:03,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:31:03,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:31:03,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:31:03,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:31:03,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:31:03,465 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 08:31:03,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:31:03,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:31:03,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:31:03,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:31:03,481 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:31:03,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:31:03,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:31:03,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:31:03,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:31:03,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:31:03,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:31:03,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:31:03,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:31:03,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:31:03,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:31:03,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:31:03,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:31:03,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:31:03,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:31:03,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:31:03,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:31:03,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:31:03,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:31:03,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:31:03,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:31:03,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:31:03,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:31:03,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:31:03,486 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 08:31:03,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:31:03,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:31:03,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:31:03,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:31:03,550 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:31:03,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2019-09-21 08:31:03,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be481e9a4/e2a5a0280e534da9ace36f9df2608bcd/FLAGbc1883dbe [2019-09-21 08:31:04,201 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:31:04,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2019-09-21 08:31:04,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be481e9a4/e2a5a0280e534da9ace36f9df2608bcd/FLAGbc1883dbe [2019-09-21 08:31:04,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be481e9a4/e2a5a0280e534da9ace36f9df2608bcd [2019-09-21 08:31:04,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:31:04,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:31:04,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:31:04,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:31:04,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:31:04,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:31:04" (1/1) ... [2019-09-21 08:31:04,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f315885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:04, skipping insertion in model container [2019-09-21 08:31:04,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:31:04" (1/1) ... [2019-09-21 08:31:04,525 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:31:04,573 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:31:05,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:31:05,061 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:31:05,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:31:05,227 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:31:05,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05 WrapperNode [2019-09-21 08:31:05,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:31:05,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:31:05,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:31:05,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:31:05,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:31:05,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:31:05,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:31:05,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:31:05,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (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 08:31:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:31:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:31:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:31:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:31:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:31:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:31:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:31:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:31:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:31:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:31:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:31:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:31:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:31:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:31:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:31:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:31:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:31:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:31:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:31:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:31:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:31:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:31:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:31:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:31:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:31:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:31:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:31:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:31:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:31:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:31:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:31:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:31:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:31:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:31:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:31:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:31:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:31:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:31:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:31:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:31:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:31:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:31:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:31:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:31:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:31:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:31:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:31:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:31:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:31:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:31:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:31:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:31:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:31:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:31:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:31:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:31:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:31:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:31:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:31:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:31:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:31:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:31:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:31:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:31:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:31:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:31:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:31:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:31:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:31:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:31:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:31:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:31:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:31:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:31:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:31:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:31:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:31:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:31:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:31:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:31:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:31:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:31:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:31:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:31:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:31:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:31:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:31:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:31:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:31:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:31:07,085 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:31:07,087 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:31:07,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:31:07 BoogieIcfgContainer [2019-09-21 08:31:07,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:31:07,089 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:31:07,089 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:31:07,089 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:31:07,090 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:31:07" (1/1) ... [2019-09-21 08:31:07,091 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 08:31:07,130 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:31:07,130 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:31:07,141 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:31:07,153 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:31:07,155 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:31:17,668 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:31:19,384 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:31:19,602 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:19,769 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:19,918 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:19,944 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-21 08:31:20,021 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-21 08:31:20,028 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-21 08:31:20,517 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:31:20,793 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:31:21,067 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:31:21,276 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:31:21,684 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:31:22,047 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:31:22,617 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 531 [2019-09-21 08:31:22,912 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:31:23,198 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:31:23,432 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:31:23,910 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:31:24,256 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:31:24,590 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:31:24,887 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:31:25,650 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 557 [2019-09-21 08:31:26,277 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-09-21 08:31:26,871 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 543 [2019-09-21 08:31:27,135 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-21 08:31:27,562 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-21 08:31:27,628 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-21 08:31:27,679 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-21 08:31:27,691 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 20 for LOIs [2019-09-21 08:31:27,695 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-21 08:31:27,698 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:31:27,699 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:31:27,701 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 385#(and (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-21 08:31:27,717 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:31:27,717 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:31:27,720 INFO L168 Benchmark]: Toolchain (without parser) took 23212.18 ms. Allocated memory was 133.2 MB in the beginning and 832.0 MB in the end (delta: 698.9 MB). Free memory was 86.6 MB in the beginning and 382.4 MB in the end (delta: -295.8 MB). Peak memory consumption was 403.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:27,721 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:31:27,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.74 ms. Allocated memory was 133.2 MB in the beginning and 213.4 MB in the end (delta: 80.2 MB). Free memory was 86.4 MB in the beginning and 187.4 MB in the end (delta: -101.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:27,727 INFO L168 Benchmark]: Boogie Preprocessor took 85.89 ms. Allocated memory is still 213.4 MB. Free memory was 187.4 MB in the beginning and 182.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:27,728 INFO L168 Benchmark]: RCFGBuilder took 1774.42 ms. Allocated memory was 213.4 MB in the beginning and 265.3 MB in the end (delta: 51.9 MB). Free memory was 182.8 MB in the beginning and 216.8 MB in the end (delta: -34.0 MB). Peak memory consumption was 116.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:27,729 INFO L168 Benchmark]: Sifa took 20629.24 ms. Allocated memory was 265.3 MB in the beginning and 832.0 MB in the end (delta: 566.8 MB). Free memory was 216.8 MB in the beginning and 382.4 MB in the end (delta: -165.6 MB). Peak memory consumption was 401.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:27,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.74 ms. Allocated memory was 133.2 MB in the beginning and 213.4 MB in the end (delta: 80.2 MB). Free memory was 86.4 MB in the beginning and 187.4 MB in the end (delta: -101.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.89 ms. Allocated memory is still 213.4 MB. Free memory was 187.4 MB in the beginning and 182.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1774.42 ms. Allocated memory was 213.4 MB in the beginning and 265.3 MB in the end (delta: 51.9 MB). Free memory was 182.8 MB in the beginning and 216.8 MB in the end (delta: -34.0 MB). Peak memory consumption was 116.7 MB. Max. memory is 7.1 GB. * Sifa took 20629.24 ms. Allocated memory was 265.3 MB in the beginning and 832.0 MB in the end (delta: 566.8 MB). Free memory was 216.8 MB in the beginning and 382.4 MB in the end (delta: -165.6 MB). Peak memory consumption was 401.1 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]: 20571, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 204, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 132, TOOLS_POST_TIME[ms]: 12489, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 266, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 141, TOOLS_QUANTIFIERELIM_APPLICATIONS: 245, TOOLS_QUANTIFIERELIM_TIME[ms]: 12782, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12379, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 210, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 62, DOMAIN_JOIN_TIME[ms]: 6431, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 936, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 115, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7590, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7590, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12916, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12915, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 352, DAG_COMPRESSION_RETAINED_NODES: 182 - UnprovableResult [Line: 916]: 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 385#(and (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...