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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:11:15,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:11:15,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:11:15,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:11:15,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:11:15,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:11:15,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:11:15,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:11:15,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:11:15,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:11:15,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:11:15,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:11:15,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:11:15,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:11:15,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:11:15,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:11:15,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:11:15,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:11:15,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:11:15,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:11:15,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:11:15,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:11:15,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:11:15,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:11:15,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:11:15,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:11:15,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:11:15,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:11:15,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:11:15,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:11:15,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:11:15,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:11:15,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:11:15,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:11:15,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:11:15,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:11:15,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:11:15,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:11:15,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:11:15,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:11:15,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:11:15,396 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 [2019-09-20 15:11:15,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:11:15,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:11:15,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:11:15,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:11:15,412 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:11:15,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:11:15,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:11:15,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:11:15,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:11:15,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:11:15,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:11:15,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:11:15,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:11:15,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:11:15,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:11:15,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:11:15,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:11:15,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:11:15,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:11:15,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:11:15,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:11:15,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:11:15,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:11:15,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:11:15,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:11:15,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:11:15,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:11:15,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:11:15,417 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 -> NONE [2019-09-20 15:11:15,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:11:15,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:11:15,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:11:15,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:11:15,471 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:11:15,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-20 15:11:15,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89a38936/4b58be1848e04c9b8f4577c119fdd67e/FLAGbaa8b1148 [2019-09-20 15:11:16,047 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:11:16,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-20 15:11:16,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89a38936/4b58be1848e04c9b8f4577c119fdd67e/FLAGbaa8b1148 [2019-09-20 15:11:16,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89a38936/4b58be1848e04c9b8f4577c119fdd67e [2019-09-20 15:11:16,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:11:16,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:11:16,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:16,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:11:16,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:11:16,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:16,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@922088c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16, skipping insertion in model container [2019-09-20 15:11:16,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:16,351 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:11:16,393 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:11:16,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:16,875 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:11:16,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:16,989 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:11:16,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16 WrapperNode [2019-09-20 15:11:16,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:16,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:11:16,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:11:16,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:11:17,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:17,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:17,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:17,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:17,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:17,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:17,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (1/1) ... [2019-09-20 15:11:17,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:11:17,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:11:17,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:11:17,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:11:17,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:16" (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 [2019-09-20 15:11:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:11:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:11:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:11:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:11:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:11:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:11:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:11:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:11:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:11:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:11:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:11:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:11:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:11:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:11:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:11:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:11:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:11:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:11:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:11:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:11:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:11:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:11:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:11:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:11:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:11:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:11:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:11:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:11:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:11:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:11:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:11:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:11:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:11:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:11:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:11:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:11:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:11:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:11:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:11:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:11:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:11:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:11:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:11:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:11:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:11:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:11:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:11:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:11:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:11:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:11:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:11:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:11:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:11:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:11:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:11:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:11:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:11:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:11:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:11:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:11:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:11:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:11:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:11:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:11:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:11:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:11:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:11:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:11:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:11:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:11:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:11:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:11:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:11:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:11:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:11:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:11:18,719 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:11:18,720 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:11:18,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:18 BoogieIcfgContainer [2019-09-20 15:11:18,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:11:18,722 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:11:18,722 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:11:18,723 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:11:18,724 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:18" (1/1) ... [2019-09-20 15:11:18,725 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:11:18,755 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:11:18,755 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:11:18,769 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:11:18,782 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:11:18,784 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:11:30,199 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:11:30,227 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:11:30,283 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:11:30,289 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:11:31,776 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-20 15:11:31,803 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-20 15:11:31,810 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:11:31,815 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:11:31,815 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:11:31,816 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:11:31,818 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 787#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:11:31,833 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:11:31,834 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:11:31,837 INFO L168 Benchmark]: Toolchain (without parser) took 15502.69 ms. Allocated memory was 138.4 MB in the beginning and 331.4 MB in the end (delta: 192.9 MB). Free memory was 85.2 MB in the beginning and 272.2 MB in the end (delta: -187.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:31,838 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:11:31,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.97 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 166.1 MB in the end (delta: -81.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:31,841 INFO L168 Benchmark]: Boogie Preprocessor took 79.54 ms. Allocated memory is still 199.2 MB. Free memory was 166.1 MB in the beginning and 162.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:31,848 INFO L168 Benchmark]: RCFGBuilder took 1651.72 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 162.2 MB in the beginning and 152.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:31,848 INFO L168 Benchmark]: Sifa took 13111.75 ms. Allocated memory was 220.2 MB in the beginning and 331.4 MB in the end (delta: 111.1 MB). Free memory was 152.3 MB in the beginning and 272.2 MB in the end (delta: -119.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:11:31,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.97 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 166.1 MB in the end (delta: -81.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.54 ms. Allocated memory is still 199.2 MB. Free memory was 166.1 MB in the beginning and 162.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1651.72 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 162.2 MB in the beginning and 152.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. * Sifa took 13111.75 ms. Allocated memory was 220.2 MB in the beginning and 331.4 MB in the end (delta: 111.1 MB). Free memory was 152.3 MB in the beginning and 272.2 MB in the end (delta: -119.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 13063, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 406, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 265, TOOLS_POST_TIME[ms]: 11573, TOOLS_POST_CALL_APPLICATIONS: 112, TOOLS_POST_CALL_TIME[ms]: 496, TOOLS_POST_RETURN_APPLICATIONS: 103, TOOLS_POST_RETURN_TIME[ms]: 301, TOOLS_QUANTIFIERELIM_APPLICATIONS: 480, TOOLS_QUANTIFIERELIM_TIME[ms]: 12136, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11305, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 421, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 112, DOMAIN_JOIN_TIME[ms]: 45, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 89, DOMAIN_ISBOTTOM_APPLICATIONS: 71, DOMAIN_ISBOTTOM_TIME[ms]: 350, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 966, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 965, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 103, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11379, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11378, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 514, DAG_COMPRESSION_RETAINED_NODES: 281 - UnprovableResult [Line: 838]: 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 787#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...