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_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:35:28,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:35:28,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:35:28,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:35:28,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:35:28,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:35:28,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:35:28,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:35:28,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:35:28,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:35:28,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:35:28,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:35:28,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:35:28,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:35:28,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:35:28,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:35:28,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:35:28,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:35:28,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:35:28,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:35:28,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:35:28,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:35:28,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:35:28,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:35:28,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:35:28,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:35:28,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:35:28,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:35:28,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:35:28,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:35:28,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:35:28,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:35:28,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:35:28,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:35:28,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:35:28,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:35:28,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:35:28,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:35:28,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:35:28,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:35:28,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:35:28,191 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 08:35:28,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:35:28,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:35:28,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:35:28,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:35:28,208 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:35:28,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:35:28,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:35:28,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:35:28,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:35:28,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:35:28,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:35:28,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:35:28,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:35:28,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:35:28,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:35:28,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:35:28,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:35:28,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:35:28,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:35:28,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:35:28,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:35:28,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:35:28,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:35:28,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:35:28,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:35:28,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:35:28,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:35:28,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:35:28,214 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 08:35:28,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:35:28,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:35:28,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:35:28,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:35:28,300 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:35:28,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-21 08:35:28,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3e09781/ce56f23ab10c46eea4834f1ab5f31b5a/FLAGf0557acb7 [2019-09-21 08:35:28,863 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:35:28,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-21 08:35:28,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3e09781/ce56f23ab10c46eea4834f1ab5f31b5a/FLAGf0557acb7 [2019-09-21 08:35:29,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3e09781/ce56f23ab10c46eea4834f1ab5f31b5a [2019-09-21 08:35:29,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:35:29,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:35:29,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:29,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:35:29,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:35:29,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63939978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29, skipping insertion in model container [2019-09-21 08:35:29,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,233 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:35:29,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:35:29,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:29,730 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:35:29,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:29,863 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:35:29,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29 WrapperNode [2019-09-21 08:35:29,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:29,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:35:29,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:35:29,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:35:29,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (1/1) ... [2019-09-21 08:35:29,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:35:29,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:35:29,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:35:29,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:35:29,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:29" (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 08:35:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:35:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:35:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:35:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:35:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:35:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:35:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:35:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:35:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:35:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:35:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:35:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:35:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:35:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:35:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:35:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:35:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:35:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:35:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:35:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:35:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:35:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:35:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:35:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:35:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:35:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:35:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:35:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:35:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:35:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:35:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:35:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:35:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:35:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:35:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:35:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:35:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:35:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:35:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:35:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:35:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:35:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:35:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:35:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:35:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:35:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:35:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:35:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:35:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:35:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:35:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:35:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:35:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:35:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:35:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:35:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:35:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:35:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:35:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:35:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:35:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:35:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:35:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:35:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:35:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:35:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:35:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:35:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:35:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:35:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:35:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:35:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:35:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:35:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:35:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:35:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:35:31,544 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:35:31,544 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:35:31,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:31 BoogieIcfgContainer [2019-09-21 08:35:31,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:35:31,546 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:35:31,546 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:35:31,547 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:35:31,548 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:31" (1/1) ... [2019-09-21 08:35:31,549 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 08:35:31,571 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:35:31,572 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:35:31,582 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:35:31,591 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:35:31,593 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:35:42,391 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:35:44,086 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:35:44,246 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:44,389 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:44,512 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:44,531 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:35:44,585 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:35:44,592 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:35:44,759 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:35:44,886 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:35:45,304 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:45,616 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:45,888 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:46,136 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:46,325 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:46,540 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:46,719 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:46,892 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:47,356 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:47,688 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:48,487 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:49,056 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:49,523 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:49,851 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:50,719 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:35:51,320 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:35:52,004 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:52,362 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:53,069 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:53,607 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:53,955 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:54,276 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:55,088 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:35:55,195 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-21 08:35:55,243 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-21 08:35:55,255 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-21 08:35:55,257 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-21 08:35:55,259 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:35:55,259 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:35:55,261 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 524#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:35:55,275 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:35:55,275 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:35:55,277 INFO L168 Benchmark]: Toolchain (without parser) took 26059.41 ms. Allocated memory was 132.1 MB in the beginning and 871.9 MB in the end (delta: 739.8 MB). Free memory was 87.3 MB in the beginning and 435.3 MB in the end (delta: -348.0 MB). Peak memory consumption was 391.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:55,278 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:35:55,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.11 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 164.4 MB in the end (delta: -77.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:55,280 INFO L168 Benchmark]: Boogie Preprocessor took 90.71 ms. Allocated memory is still 198.7 MB. Free memory was 164.4 MB in the beginning and 159.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:55,281 INFO L168 Benchmark]: RCFGBuilder took 1590.40 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.8 MB in the beginning and 145.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:55,282 INFO L168 Benchmark]: Sifa took 23728.75 ms. Allocated memory was 221.2 MB in the beginning and 871.9 MB in the end (delta: 650.6 MB). Free memory was 145.4 MB in the beginning and 435.3 MB in the end (delta: -289.9 MB). Peak memory consumption was 360.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:55,286 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 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.11 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 164.4 MB in the end (delta: -77.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.71 ms. Allocated memory is still 198.7 MB. Free memory was 164.4 MB in the beginning and 159.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1590.40 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.8 MB in the beginning and 145.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 23728.75 ms. Allocated memory was 221.2 MB in the beginning and 871.9 MB in the end (delta: 650.6 MB). Free memory was 145.4 MB in the beginning and 435.3 MB in the end (delta: -289.9 MB). Peak memory consumption was 360.7 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]: 23691, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 255, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 169, TOOLS_POST_TIME[ms]: 12725, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 211, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 129, TOOLS_QUANTIFIERELIM_APPLICATIONS: 306, TOOLS_QUANTIFIERELIM_TIME[ms]: 12943, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12594, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 87, DOMAIN_JOIN_TIME[ms]: 10276, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 192, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 620, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 620, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13054, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13053, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 429, DAG_COMPRESSION_RETAINED_NODES: 235 - UnprovableResult [Line: 643]: 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 524#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~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...