java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:38:46,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:38:46,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:38:46,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:38:46,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:38:46,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:38:46,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:38:46,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:38:46,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:38:46,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:38:46,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:38:46,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:38:46,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:38:46,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:38:46,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:38:46,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:38:46,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:38:46,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:38:46,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:38:46,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:38:46,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:38:46,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:38:46,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:38:46,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:38:46,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:38:46,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:38:46,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:38:46,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:38:46,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:38:46,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:38:46,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:38:46,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:38:46,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:38:46,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:38:46,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:38:46,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:38:46,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:38:46,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:38:46,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:38:46,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:38:46,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:38:46,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 08:38:46,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:38:46,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:38:46,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:38:46,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:38:46,489 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:38:46,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:38:46,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:38:46,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:38:46,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:38:46,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:38:46,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:38:46,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:38:46,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:38:46,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:38:46,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:38:46,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:38:46,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:38:46,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:38:46,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:38:46,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:38:46,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:38:46,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:38:46,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:38:46,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:38:46,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:38:46,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:38:46,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:38:46,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:38:46,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:38:46,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:38:46,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:38:46,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:38:46,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:38:46,579 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:38:46,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-09-21 08:38:46,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6fa300b7/2d823ba55e5148d7957a6db0e5fd15cb/FLAG9d925e425 [2019-09-21 08:38:47,169 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:38:47,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2019-09-21 08:38:47,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6fa300b7/2d823ba55e5148d7957a6db0e5fd15cb/FLAG9d925e425 [2019-09-21 08:38:47,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6fa300b7/2d823ba55e5148d7957a6db0e5fd15cb [2019-09-21 08:38:47,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:38:47,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:38:47,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:38:47,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:38:47,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:38:47,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:38:47" (1/1) ... [2019-09-21 08:38:47,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb00c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:47, skipping insertion in model container [2019-09-21 08:38:47,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:38:47" (1/1) ... [2019-09-21 08:38:47,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:38:47,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:38:47,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:38:47,986 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:38:48,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:38:48,215 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:38:48,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48 WrapperNode [2019-09-21 08:38:48,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:38:48,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:38:48,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:38:48,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:38:48,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... [2019-09-21 08:38:48,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:38:48,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:38:48,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:38:48,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:38:48,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:38:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:38:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:38:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:38:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:38:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:38:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:38:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:38:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:38:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:38:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:38:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:38:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:38:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:38:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:38:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:38:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:38:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:38:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:38:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:38:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:38:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:38:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:38:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:38:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:38:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:38:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:38:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:38:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:38:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:38:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:38:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:38:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:38:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:38:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:38:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:38:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:38:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:38:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:38:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:38:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:38:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:38:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:38:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:38:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:38:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:38:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:38:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:38:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:38:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:38:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:38:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:38:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:38:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:38:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:38:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:38:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:38:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:38:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:38:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:38:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:38:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:38:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:38:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:38:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:38:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:38:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:38:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:38:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:38:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:38:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:38:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:38:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:38:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 08:38:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:38:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:38:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:38:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:38:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:38:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:38:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:38:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:38:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:38:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:38:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:38:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:38:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:38:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:38:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:38:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:38:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:38:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:38:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:38:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:38:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:38:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:38:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:38:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:38:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:38:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:38:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:38:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:38:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:38:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:38:50,205 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:38:50,206 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:38:50,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:38:50 BoogieIcfgContainer [2019-09-21 08:38:50,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:38:50,208 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:38:50,208 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:38:50,208 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:38:50,209 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:38:50" (1/1) ... [2019-09-21 08:38:50,210 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:38:50,234 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:38:50,234 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:38:50,243 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:38:50,252 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:38:50,254 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:39:00,686 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:39:02,498 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:39:02,680 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:39:02,805 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:39:02,932 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:39:02,954 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-21 08:39:03,020 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-21 08:39:03,037 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-21 08:39:03,294 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-21 08:39:03,434 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-21 08:39:03,897 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:39:04,185 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:39:04,855 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:39:05,303 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:39:06,055 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:39:06,730 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-21 08:39:07,326 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:39:07,779 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-21 08:39:07,814 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:39:07,831 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-21 08:39:07,836 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:39:07,839 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:39:07,840 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:39:07,842 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 514#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:39:07,857 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:39:07,857 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:39:07,859 INFO L168 Benchmark]: Toolchain (without parser) took 20384.90 ms. Allocated memory was 142.1 MB in the beginning and 534.8 MB in the end (delta: 392.7 MB). Free memory was 88.9 MB in the beginning and 129.3 MB in the end (delta: -40.5 MB). Peak memory consumption was 352.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:07,861 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 142.1 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:39:07,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.20 ms. Allocated memory was 142.1 MB in the beginning and 198.7 MB in the end (delta: 56.6 MB). Free memory was 88.4 MB in the beginning and 162.8 MB in the end (delta: -74.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:07,871 INFO L168 Benchmark]: Boogie Preprocessor took 118.21 ms. Allocated memory is still 198.7 MB. Free memory was 162.8 MB in the beginning and 158.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:07,875 INFO L168 Benchmark]: RCFGBuilder took 1871.97 ms. Allocated memory was 198.7 MB in the beginning and 228.6 MB in the end (delta: 29.9 MB). Free memory was 158.6 MB in the beginning and 136.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:07,876 INFO L168 Benchmark]: Sifa took 17649.53 ms. Allocated memory was 228.6 MB in the beginning and 534.8 MB in the end (delta: 306.2 MB). Free memory was 136.7 MB in the beginning and 129.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 313.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:07,886 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 142.1 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.20 ms. Allocated memory was 142.1 MB in the beginning and 198.7 MB in the end (delta: 56.6 MB). Free memory was 88.4 MB in the beginning and 162.8 MB in the end (delta: -74.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.21 ms. Allocated memory is still 198.7 MB. Free memory was 162.8 MB in the beginning and 158.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1871.97 ms. Allocated memory was 198.7 MB in the beginning and 228.6 MB in the end (delta: 29.9 MB). Free memory was 158.6 MB in the beginning and 136.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Sifa took 17649.53 ms. Allocated memory was 228.6 MB in the beginning and 534.8 MB in the end (delta: 306.2 MB). Free memory was 136.7 MB in the beginning and 129.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 313.6 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]: 17608, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 247, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 169, TOOLS_POST_TIME[ms]: 12437, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 146, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_APPLICATIONS: 302, TOOLS_QUANTIFIERELIM_TIME[ms]: 12562, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12357, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 252, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 84, DOMAIN_JOIN_TIME[ms]: 4602, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 140, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4196, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4195, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12849, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12848, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 517, DAG_COMPRESSION_RETAINED_NODES: 262 - UnprovableResult [Line: 830]: 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 514#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...