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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:48:39,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:48:39,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:48:39,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:48:39,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:48:39,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:48:39,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:48:39,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:48:39,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:48:39,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:48:39,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:48:39,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:48:39,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:48:39,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:48:39,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:48:39,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:48:39,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:48:39,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:48:39,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:48:39,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:48:39,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:48:39,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:48:39,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:48:39,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:48:39,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:48:39,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:48:39,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:48:39,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:48:39,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:48:39,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:48:39,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:48:39,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:48:39,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:48:39,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:48:39,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:48:39,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:48:39,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:48:39,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:48:39,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:48:39,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:48:39,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:48:39,433 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 [2019-09-25 17:48:39,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:48:39,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:48:39,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:48:39,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:48:39,460 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:48:39,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:48:39,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:48:39,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:48:39,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:48:39,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:48:39,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:48:39,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:48:39,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:48:39,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:48:39,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:48:39,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:48:39,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:48:39,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:48:39,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:48:39,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:48:39,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:48:39,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:48:39,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:48:39,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:48:39,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:48:39,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:48:39,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:48:39,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:48:39,466 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:48:39,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:48:39,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:48:39,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:48:39,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:48:39,546 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:48:39,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-25 17:48:39,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79544391a/fa021b4377d746a085fb790b506dad55/FLAG187e5ffa9 [2019-09-25 17:48:40,144 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:48:40,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-25 17:48:40,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79544391a/fa021b4377d746a085fb790b506dad55/FLAG187e5ffa9 [2019-09-25 17:48:40,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79544391a/fa021b4377d746a085fb790b506dad55 [2019-09-25 17:48:40,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:48:40,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:48:40,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:40,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:48:40,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:48:40,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:40" (1/1) ... [2019-09-25 17:48:40,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f98678f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:40, skipping insertion in model container [2019-09-25 17:48:40,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:40" (1/1) ... [2019-09-25 17:48:40,519 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:48:40,581 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:48:41,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:41,029 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:48:41,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:41,201 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:48:41,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41 WrapperNode [2019-09-25 17:48:41,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:41,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:48:41,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:48:41,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:48:41,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (1/1) ... [2019-09-25 17:48:41,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (1/1) ... [2019-09-25 17:48:41,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (1/1) ... [2019-09-25 17:48:41,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (1/1) ... [2019-09-25 17:48:41,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (1/1) ... [2019-09-25 17:48:41,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (1/1) ... [2019-09-25 17:48:41,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (1/1) ... [2019-09-25 17:48:41,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:48:41,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:48:41,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:48:41,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:48:41,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:41" (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 [2019-09-25 17:48:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:48:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:48:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:48:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:48:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:48:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:48:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:48:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:48:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:48:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:48:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:48:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:48:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:48:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:48:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:48:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:48:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:48:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:48:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:48:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:48:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:48:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:48:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:48:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:48:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:48:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:48:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:48:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:48:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:48:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:48:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:48:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:48:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:48:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:48:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:48:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:48:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:48:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:48:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:48:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:48:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:48:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:48:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:48:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:48:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:48:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:48:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:48:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:48:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:48:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:48:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:48:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:48:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:48:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:48:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:48:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:48:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:48:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:48:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:48:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:48:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:48:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:48:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:48:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:48:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:48:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:48:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:48:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:48:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:48:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:48:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:48:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:48:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:48:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:48:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:48:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:48:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:48:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:48:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:48:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:48:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:48:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:48:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:48:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:48:42,964 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:48:42,965 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:48:42,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:42 BoogieIcfgContainer [2019-09-25 17:48:42,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:48:42,967 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:48:42,967 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:48:42,968 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:48:42,969 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:42" (1/1) ... [2019-09-25 17:48:42,970 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:48:43,010 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:48:43,011 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:48:43,024 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:48:43,036 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:48:43,037 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:48:54,136 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:48:55,750 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:48:55,902 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:56,035 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:56,192 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:56,221 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:48:56,286 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:48:56,307 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:48:56,517 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:48:56,696 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:48:57,240 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:57,733 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:58,027 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:58,301 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:58,808 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:49:00,018 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-25 17:49:00,138 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:49:00,261 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:49:00,368 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:49:00,971 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:49:01,587 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:49:01,593 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 17:49:01,675 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 17:49:01,684 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:49:01,692 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:49:01,692 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:49:01,695 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 538#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0)) [2019-09-25 17:49:01,711 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:49:01,712 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:49:01,713 INFO L168 Benchmark]: Toolchain (without parser) took 21209.17 ms. Allocated memory was 133.2 MB in the beginning and 590.3 MB in the end (delta: 457.2 MB). Free memory was 86.9 MB in the beginning and 406.2 MB in the end (delta: -319.3 MB). Peak memory consumption was 137.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,714 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.69 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 165.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,716 INFO L168 Benchmark]: Boogie Preprocessor took 83.97 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 160.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,716 INFO L168 Benchmark]: RCFGBuilder took 1679.80 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 160.7 MB in the beginning and 142.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,718 INFO L168 Benchmark]: Sifa took 18744.46 ms. Allocated memory was 225.4 MB in the beginning and 590.3 MB in the end (delta: 364.9 MB). Free memory was 142.5 MB in the beginning and 406.2 MB in the end (delta: -263.7 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:01,721 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 133.2 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.69 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 165.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.97 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 160.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1679.80 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 160.7 MB in the beginning and 142.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * Sifa took 18744.46 ms. Allocated memory was 225.4 MB in the beginning and 590.3 MB in the end (delta: 364.9 MB). Free memory was 142.5 MB in the beginning and 406.2 MB in the end (delta: -263.7 MB). Peak memory consumption was 101.2 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]: 18685, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 214, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 12856, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 181, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 254, TOOLS_QUANTIFIERELIM_TIME[ms]: 13010, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12778, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 218, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 5200, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 25, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 137, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1531, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1531, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13256, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13255, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 382, DAG_COMPRESSION_RETAINED_NODES: 215 - UnprovableResult [Line: 920]: 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 538#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string27.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.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...