/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:43:31,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:43:31,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:43:31,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:43:31,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:43:31,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:43:31,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:43:31,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:43:31,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:43:31,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:43:31,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:43:31,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:43:31,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:43:31,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:43:31,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:43:31,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:43:31,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:43:31,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:43:31,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:43:31,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:43:31,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:43:31,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:43:31,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:43:31,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:43:31,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:43:31,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:43:31,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:43:31,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:43:31,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:43:31,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:43:31,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:43:31,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:43:31,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:43:31,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:43:31,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:43:31,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:43:31,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:43:31,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:43:31,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:43:31,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:43:31,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:43:31,373 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 [2019-11-07 10:43:31,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:43:31,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:43:31,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:43:31,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:43:31,399 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:43:31,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:43:31,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:43:31,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:43:31,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:43:31,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:43:31,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:43:31,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:43:31,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:43:31,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:43:31,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:43:31,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:43:31,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:43:31,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:43:31,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:43:31,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:43:31,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:43:31,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:43:31,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:43:31,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:43:31,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:43:31,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:43:31,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:43:31,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:43:31,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:43:31,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:43:31,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:43:31,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:43:31,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:43:31,723 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:43:31,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2019-11-07 10:43:31,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ee5500ea/73017b5fee9a4474992be821f1da76e5/FLAG247c8b96a [2019-11-07 10:43:32,301 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:43:32,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2019-11-07 10:43:32,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ee5500ea/73017b5fee9a4474992be821f1da76e5/FLAG247c8b96a [2019-11-07 10:43:32,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ee5500ea/73017b5fee9a4474992be821f1da76e5 [2019-11-07 10:43:32,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:43:32,648 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:43:32,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:43:32,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:43:32,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:43:32,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:43:32" (1/1) ... [2019-11-07 10:43:32,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5c0553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:32, skipping insertion in model container [2019-11-07 10:43:32,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:43:32" (1/1) ... [2019-11-07 10:43:32,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:43:32,730 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:43:33,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:43:33,176 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:43:33,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:43:33,316 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:43:33,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33 WrapperNode [2019-11-07 10:43:33,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:43:33,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:43:33,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:43:33,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:43:33,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (1/1) ... [2019-11-07 10:43:33,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (1/1) ... [2019-11-07 10:43:33,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (1/1) ... [2019-11-07 10:43:33,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (1/1) ... [2019-11-07 10:43:33,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (1/1) ... [2019-11-07 10:43:33,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (1/1) ... [2019-11-07 10:43:33,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (1/1) ... [2019-11-07 10:43:33,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:43:33,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:43:33,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:43:33,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:43:33,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:43:33" (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 [2019-11-07 10:43:33,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:43:33,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:43:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:43:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:43:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:43:33,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:43:33,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:43:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:43:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:43:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 10:43:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:43:33,485 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:43:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:43:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:43:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:43:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:43:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:43:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:43:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:43:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:43:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:43:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:43:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:43:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:43:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:43:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:43:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:43:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:43:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:43:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 10:43:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:43:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:43:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:43:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:43:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:43:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:43:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:43:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:43:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:43:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:43:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:43:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:43:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:43:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:43:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:43:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:43:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:43:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:43:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:43:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:43:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:43:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:43:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:43:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:43:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:43:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:43:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:43:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:43:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:43:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:43:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:43:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 10:43:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:43:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:43:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:43:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:43:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:43:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:43:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:43:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:43:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:43:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:43:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:43:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:43:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:43:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:43:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:43:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:43:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:43:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:43:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:43:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:43:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:43:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:43:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:43:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 10:43:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:43:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:43:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:43:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:43:35,099 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:43:35,099 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:43:35,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:35 BoogieIcfgContainer [2019-11-07 10:43:35,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:43:35,102 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:43:35,103 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:43:35,103 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:43:35,104 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:43:35" (1/1) ... [2019-11-07 10:43:35,105 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:43:35,135 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:43:35,135 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:43:35,146 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:43:35,157 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:43:35,158 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:43:45,850 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:43:47,518 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:43:47,659 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:43:47,701 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-11-07 10:43:47,754 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-11-07 10:43:47,760 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-11-07 10:43:48,198 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-11-07 10:43:48,457 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-07 10:43:49,036 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 609 [2019-11-07 10:43:49,286 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-07 10:43:49,948 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:43:49,950 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-11-07 10:43:50,278 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 130 for LOIs [2019-11-07 10:43:50,287 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-11-07 10:43:50,288 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:43:50,301 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:43:50,302 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:43:50,303 INFO L168 Benchmark]: Toolchain (without parser) took 17655.20 ms. Allocated memory was 145.8 MB in the beginning and 337.6 MB in the end (delta: 191.9 MB). Free memory was 102.4 MB in the beginning and 197.7 MB in the end (delta: -95.3 MB). Peak memory consumption was 96.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:43:50,304 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 10:43:50,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.17 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 102.2 MB in the beginning and 171.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:43:50,306 INFO L168 Benchmark]: Boogie Preprocessor took 85.88 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:43:50,307 INFO L168 Benchmark]: RCFGBuilder took 1698.06 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 167.4 MB in the beginning and 146.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:43:50,308 INFO L168 Benchmark]: Sifa took 15199.28 ms. Allocated memory was 234.9 MB in the beginning and 337.6 MB in the end (delta: 102.8 MB). Free memory was 146.5 MB in the beginning and 197.7 MB in the end (delta: -51.2 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:43:50,312 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.17 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 102.2 MB in the beginning and 171.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.88 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1698.06 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 167.4 MB in the beginning and 146.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * Sifa took 15199.28 ms. Allocated memory was 234.9 MB in the beginning and 337.6 MB in the end (delta: 102.8 MB). Free memory was 146.5 MB in the beginning and 197.7 MB in the end (delta: -51.2 MB). Peak memory consumption was 51.6 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]: 15154, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 28, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 105, TOOLS_POST_TIME[ms]: 12495, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 111, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 199, TOOLS_QUANTIFIERELIM_TIME[ms]: 12614, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12442, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 191, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 1856, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 397, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME[ms]: 51, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1794, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1793, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12660, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12659, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 347, DAG_COMPRESSION_RETAINED_NODES: 172 - 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 365#(and (= |#t~string61.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string39.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string39.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string41.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string47.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (= |#t~string43.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 |#t~string41.offset|) (<= |#t~string47.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (<= |#t~string29.offset| 0) (= |#t~string45.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...