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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 04:56:56,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 04:56:56,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 04:56:56,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 04:56:56,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 04:56:56,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 04:56:56,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 04:56:56,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 04:56:56,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 04:56:56,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 04:56:56,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 04:56:56,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 04:56:56,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 04:56:56,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 04:56:56,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 04:56:56,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 04:56:56,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 04:56:56,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 04:56:56,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 04:56:56,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 04:56:56,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 04:56:56,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 04:56:56,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 04:56:56,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 04:56:56,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 04:56:56,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 04:56:56,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 04:56:56,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 04:56:56,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 04:56:56,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 04:56:56,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 04:56:56,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 04:56:56,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 04:56:56,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 04:56:56,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 04:56:56,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 04:56:56,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 04:56:56,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 04:56:56,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 04:56:56,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 04:56:56,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 04:56:56,503 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 [2019-09-18 04:56:56,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 04:56:56,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 04:56:56,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 04:56:56,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 04:56:56,525 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 04:56:56,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 04:56:56,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 04:56:56,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 04:56:56,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 04:56:56,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 04:56:56,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 04:56:56,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 04:56:56,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 04:56:56,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 04:56:56,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 04:56:56,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 04:56:56,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 04:56:56,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 04:56:56,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 04:56:56,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 04:56:56,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 04:56:56,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 04:56:56,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 04:56:56,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 04:56:56,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 04:56:56,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 04:56:56,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 04:56:56,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 04:56:56,532 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 -> SequenceOfStatements 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_DDA [2019-09-18 04:56:56,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 04:56:56,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 04:56:56,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 04:56:56,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 04:56:56,597 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 04:56:56,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-18 04:56:56,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9625b8cfa/d7295f5acdc248d3add8c7148c1e46d0/FLAG592bdbe70 [2019-09-18 04:56:57,203 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 04:56:57,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-18 04:56:57,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9625b8cfa/d7295f5acdc248d3add8c7148c1e46d0/FLAG592bdbe70 [2019-09-18 04:56:57,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9625b8cfa/d7295f5acdc248d3add8c7148c1e46d0 [2019-09-18 04:56:57,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 04:56:57,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 04:56:57,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 04:56:57,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 04:56:57,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 04:56:57,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:56:57" (1/1) ... [2019-09-18 04:56:57,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4014a053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:57, skipping insertion in model container [2019-09-18 04:56:57,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:56:57" (1/1) ... [2019-09-18 04:56:57,559 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 04:56:57,619 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 04:56:58,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:56:58,082 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 04:56:58,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:56:58,232 INFO L192 MainTranslator]: Completed translation [2019-09-18 04:56:58,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58 WrapperNode [2019-09-18 04:56:58,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 04:56:58,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 04:56:58,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 04:56:58,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 04:56:58,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (1/1) ... [2019-09-18 04:56:58,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (1/1) ... [2019-09-18 04:56:58,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (1/1) ... [2019-09-18 04:56:58,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (1/1) ... [2019-09-18 04:56:58,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (1/1) ... [2019-09-18 04:56:58,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (1/1) ... [2019-09-18 04:56:58,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (1/1) ... [2019-09-18 04:56:58,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 04:56:58,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 04:56:58,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 04:56:58,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 04:56:58,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:56:58" (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 [2019-09-18 04:56:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 04:56:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 04:56:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 04:56:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 04:56:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 04:56:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 04:56:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 04:56:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:56:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 04:56:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 04:56:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 04:56:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:56:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 04:56:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 04:56:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 04:56:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 04:56:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 04:56:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 04:56:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 04:56:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 04:56:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 04:56:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 04:56:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 04:56:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 04:56:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 04:56:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 04:56:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 04:56:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 04:56:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 04:56:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 04:56:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 04:56:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 04:56:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 04:56:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 04:56:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 04:56:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 04:56:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 04:56:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 04:56:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 04:56:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 04:56:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 04:56:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 04:56:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 04:56:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 04:56:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 04:56:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 04:56:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 04:56:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 04:56:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 04:56:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 04:56:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 04:56:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 04:56:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:56:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 04:56:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 04:56:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 04:56:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 04:56:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 04:56:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 04:56:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 04:56:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 04:56:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 04:56:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 04:56:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 04:56:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 04:56:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 04:56:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 04:56:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 04:56:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 04:56:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 04:56:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:56:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 04:56:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 04:56:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 04:56:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 04:56:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 04:56:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 04:56:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 04:56:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 04:56:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 04:56:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 04:56:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 04:56:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 04:56:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 04:56:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 04:56:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 04:56:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 04:56:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 04:56:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 04:56:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 04:56:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 04:56:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 04:56:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 04:56:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 04:56:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 04:56:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 04:56:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 04:56:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 04:56:59,548 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 04:56:59,549 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 04:56:59,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:56:59 BoogieIcfgContainer [2019-09-18 04:56:59,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 04:56:59,551 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 04:56:59,551 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 04:56:59,552 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 04:56:59,553 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:56:59" (1/1) ... [2019-09-18 04:56:59,553 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 04:56:59,582 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 04:56:59,582 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 04:56:59,598 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 04:56:59,609 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 04:56:59,611 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 04:57:20,328 WARN L191 SmtUtils]: Spent 12.10 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:57:22,026 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 04:57:25,990 WARN L191 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 04:57:27,816 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:57:29,602 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:57:29,619 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 04:57:29,699 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 04:57:29,704 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 04:57:40,784 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 04:57:46,172 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:58:03,941 WARN L191 SmtUtils]: Spent 17.70 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-18 04:58:12,758 WARN L191 SmtUtils]: Spent 8.82 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 04:58:44,852 WARN L191 SmtUtils]: Spent 31.99 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-18 04:59:01,101 WARN L191 SmtUtils]: Spent 16.25 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 04:59:17,085 WARN L191 SmtUtils]: Spent 15.98 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-18 04:59:18,899 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 04:59:19,009 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 04:59:19,135 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 04:59:19,801 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 04:59:20,096 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-18 04:59:20,379 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-18 04:59:20,667 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-18 04:59:21,028 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-18 04:59:21,339 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-18 04:59:21,633 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-18 04:59:21,753 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 04:59:21,929 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 04:59:22,235 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 04:59:22,346 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-18 04:59:22,479 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 04:59:22,656 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 04:59:22,663 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-18 04:59:22,993 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 04:59:23,072 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-18 04:59:23,076 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-18 04:59:23,110 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 04:59:23,110 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 04:59:23,112 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 562#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 04:59:23,126 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 04:59:23,126 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 04:59:23,128 INFO L168 Benchmark]: Toolchain (without parser) took 145592.01 ms. Allocated memory was 132.1 MB in the beginning and 164.6 MB in the end (delta: 32.5 MB). Free memory was 86.3 MB in the beginning and 84.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-18 04:59:23,128 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 04:59:23,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.95 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 163.3 MB in the end (delta: -77.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-18 04:59:23,130 INFO L168 Benchmark]: Boogie Preprocessor took 93.23 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 159.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-18 04:59:23,131 INFO L168 Benchmark]: RCFGBuilder took 1223.47 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 159.5 MB in the beginning and 191.1 MB in the end (delta: -31.5 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-18 04:59:23,132 INFO L168 Benchmark]: Sifa took 143574.86 ms. Allocated memory was 221.8 MB in the beginning and 164.6 MB in the end (delta: -57.1 MB). Free memory was 191.1 MB in the beginning and 84.9 MB in the end (delta: 106.1 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-09-18 04:59:23,136 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 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.95 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 163.3 MB in the end (delta: -77.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.23 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 159.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1223.47 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 159.5 MB in the beginning and 191.1 MB in the end (delta: -31.5 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. * Sifa took 143574.86 ms. Allocated memory was 221.8 MB in the beginning and 164.6 MB in the end (delta: -57.1 MB). Free memory was 191.1 MB in the beginning and 84.9 MB in the end (delta: 106.1 MB). Peak memory consumption was 49.0 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]: 143530, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 290, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 205, TOOLS_POST_TIME[ms]: 26373, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 131, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 83, TOOLS_QUANTIFIERELIM_APPLICATIONS: 337, TOOLS_QUANTIFIERELIM_TIME[ms]: 26488, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26298, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 295, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 93, DOMAIN_JOIN_TIME[ms]: 116297, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 236, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 50, DOMAIN_ISBOTTOM_TIME[ms]: 235, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 109843, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 109843, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31301, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31300, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 546, DAG_COMPRESSION_RETAINED_NODES: 292 - UnprovableResult [Line: 620]: 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 562#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...