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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:40:58,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:40:58,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:40:58,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:40:58,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:40:58,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:40:58,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:40:58,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:40:58,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:40:58,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:40:58,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:40:58,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:40:58,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:40:58,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:40:58,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:40:58,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:40:58,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:40:58,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:40:58,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:40:58,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:40:58,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:40:58,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:40:58,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:40:58,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:40:58,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:40:58,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:40:58,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:40:58,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:40:58,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:40:58,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:40:58,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:40:58,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:40:58,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:40:58,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:40:58,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:40:58,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:40:58,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:40:58,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:40:58,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:40:58,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:40:58,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:40:58,544 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 [2019-09-19 22:40:58,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:40:58,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:40:58,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:40:58,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:40:58,560 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:40:58,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:40:58,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:40:58,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:40:58,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:40:58,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:40:58,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:40:58,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:40:58,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:40:58,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:40:58,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:40:58,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:40:58,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:40:58,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:40:58,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:40:58,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:40:58,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:40:58,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:40:58,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:40:58,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:40:58,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:40:58,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:40:58,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:40:58,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:40:58,564 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:40:58,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:40:58,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:40:58,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:40:58,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:40:58,614 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:40:58,614 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-09-19 22:40:58,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e7439668/ba2bc9eda09e4a6aa30fa58277b9b4dd/FLAG03d8e847a [2019-09-19 22:40:59,153 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:40:59,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-09-19 22:40:59,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e7439668/ba2bc9eda09e4a6aa30fa58277b9b4dd/FLAG03d8e847a [2019-09-19 22:40:59,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e7439668/ba2bc9eda09e4a6aa30fa58277b9b4dd [2019-09-19 22:40:59,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:40:59,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:40:59,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:40:59,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:40:59,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:40:59,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:40:59" (1/1) ... [2019-09-19 22:40:59,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df463d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:40:59, skipping insertion in model container [2019-09-19 22:40:59,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:40:59" (1/1) ... [2019-09-19 22:40:59,471 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:40:59,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:40:59,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:40:59,983 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:41:00,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:41:00,137 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:41:00,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00 WrapperNode [2019-09-19 22:41:00,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:41:00,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:41:00,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:41:00,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:41:00,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... [2019-09-19 22:41:00,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... [2019-09-19 22:41:00,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... [2019-09-19 22:41:00,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... [2019-09-19 22:41:00,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... [2019-09-19 22:41:00,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... [2019-09-19 22:41:00,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... [2019-09-19 22:41:00,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:41:00,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:41:00,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:41:00,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:41:00,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:41:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:41:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:41:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:41:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:41:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:41:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:41:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:41:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:41:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:41:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 22:41:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:41:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:41:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:41:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:41:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:41:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:41:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:41:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 22:41:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:41:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 22:41:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:41:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:41:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:41:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:41:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:41:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 22:41:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:41:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:41:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:41:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:41:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:41:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:41:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:41:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:41:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:41:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:41:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:41:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:41:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:41:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:41:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:41:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:41:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:41:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:41:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:41:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:41:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:41:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:41:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:41:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:41:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:41:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:41:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:41:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:41:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 22:41:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 22:41:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 22:41:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:41:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:41:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:41:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:41:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:41:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:41:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:41:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:41:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:41:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:41:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:41:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:41:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:41:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:41:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:41:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:41:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:41:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:41:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:41:01,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:41:01,902 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:41:01,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:41:01 BoogieIcfgContainer [2019-09-19 22:41:01,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:41:01,905 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:41:01,905 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:41:01,905 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:41:01,907 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:41:01" (1/1) ... [2019-09-19 22:41:01,907 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 22:41:01,937 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:41:01,937 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:41:01,954 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:41:01,968 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:41:01,970 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:41:21,154 WARN L191 SmtUtils]: Spent 11.92 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 22:41:22,956 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:41:26,712 WARN L191 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 22:41:28,485 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:41:30,171 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:41:30,186 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-19 22:41:30,249 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-19 22:41:30,254 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-19 22:41:42,070 WARN L191 SmtUtils]: Spent 11.61 s on a formula simplification. DAG size of input: 460 DAG size of output: 457 [2019-09-19 22:41:47,709 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 22:41:58,989 WARN L191 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 460 DAG size of output: 457 [2019-09-19 22:42:04,621 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 22:42:19,410 WARN L191 SmtUtils]: Spent 14.73 s on a formula simplification. DAG size of input: 465 DAG size of output: 462 [2019-09-19 22:42:19,963 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-19 22:42:34,619 WARN L191 SmtUtils]: Spent 14.65 s on a formula simplification. DAG size of input: 465 DAG size of output: 462 [2019-09-19 22:42:35,163 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-19 22:42:35,428 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 74 [2019-09-19 22:42:35,755 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 74 [2019-09-19 22:42:37,079 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-09-19 22:42:37,420 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 22:42:38,129 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-09-19 22:42:38,464 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 22:42:39,642 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2019-09-19 22:42:40,214 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 22:42:41,410 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2019-09-19 22:42:41,995 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-19 22:42:42,892 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-09-19 22:42:43,230 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 22:42:43,931 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-09-19 22:42:44,271 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 22:42:45,428 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2019-09-19 22:42:45,991 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 22:42:47,185 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2019-09-19 22:42:47,781 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-19 22:42:47,786 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-19 22:42:47,788 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-19 22:42:48,067 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-19 22:42:48,628 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-19 22:42:48,862 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 22:42:49,334 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-19 22:42:49,566 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 22:42:49,569 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 71 for LOIs [2019-09-19 22:42:49,574 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 83 for LOIs [2019-09-19 22:42:49,776 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-19 22:42:49,880 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 22:42:49,881 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:42:49,881 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:42:49,884 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 286#(and (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= 0 ~waterLevel~0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)) [2019-09-19 22:42:49,895 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:42:49,895 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:42:49,897 INFO L168 Benchmark]: Toolchain (without parser) took 110443.88 ms. Allocated memory was 130.5 MB in the beginning and 311.4 MB in the end (delta: 180.9 MB). Free memory was 85.1 MB in the beginning and 236.8 MB in the end (delta: -151.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-19 22:42:49,898 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:42:49,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.01 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 84.9 MB in the beginning and 161.9 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-19 22:42:49,899 INFO L168 Benchmark]: Boogie Preprocessor took 138.06 ms. Allocated memory is still 199.2 MB. Free memory was 161.9 MB in the beginning and 157.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-19 22:42:49,900 INFO L168 Benchmark]: RCFGBuilder took 1627.24 ms. Allocated memory was 199.2 MB in the beginning and 218.1 MB in the end (delta: 18.9 MB). Free memory was 157.9 MB in the beginning and 144.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-09-19 22:42:49,901 INFO L168 Benchmark]: Sifa took 107990.49 ms. Allocated memory was 218.1 MB in the beginning and 311.4 MB in the end (delta: 93.3 MB). Free memory was 144.2 MB in the beginning and 236.8 MB in the end (delta: -92.6 MB). Peak memory consumption was 688.2 kB. Max. memory is 7.1 GB. [2019-09-19 22:42:49,905 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 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.01 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 84.9 MB in the beginning and 161.9 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.06 ms. Allocated memory is still 199.2 MB. Free memory was 161.9 MB in the beginning and 157.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1627.24 ms. Allocated memory was 199.2 MB in the beginning and 218.1 MB in the end (delta: 18.9 MB). Free memory was 157.9 MB in the beginning and 144.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * Sifa took 107990.49 ms. Allocated memory was 218.1 MB in the beginning and 311.4 MB in the end (delta: 93.3 MB). Free memory was 144.2 MB in the beginning and 236.8 MB in the end (delta: -92.6 MB). Peak memory consumption was 688.2 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 107947, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 150, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 99, TOOLS_POST_TIME[ms]: 24703, TOOLS_POST_CALL_APPLICATIONS: 43, TOOLS_POST_CALL_TIME[ms]: 110, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_APPLICATIONS: 177, TOOLS_QUANTIFIERELIM_TIME[ms]: 24775, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24640, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 152, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 50, DOMAIN_JOIN_TIME[ms]: 82664, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 268, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11773, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11772, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28823, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28822, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 383, DAG_COMPRESSION_RETAINED_NODES: 176 - UnprovableResult [Line: 206]: 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 286#(and (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string7.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= 0 ~waterLevel~0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...