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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:45:46,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:45:46,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:45:46,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:45:46,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:45:46,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:45:46,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:45:46,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:45:46,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:45:46,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:45:46,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:45:46,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:45:46,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:45:46,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:45:46,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:45:46,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:45:46,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:45:46,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:45:46,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:45:46,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:45:46,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:45:46,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:45:46,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:45:46,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:45:46,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:45:46,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:45:46,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:45:46,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:45:46,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:45:46,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:45:46,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:45:46,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:45:46,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:45:46,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:45:46,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:45:46,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:45:46,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:45:46,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:45:46,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:45:46,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:45:46,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:45:46,161 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 15:45:46,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:45:46,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:45:46,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:45:46,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:45:46,185 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:45:46,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:45:46,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:45:46,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:45:46,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:45:46,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:45:46,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:45:46,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:45:46,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:45:46,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:45:46,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:45:46,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:45:46,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:45:46,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:45:46,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:45:46,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:45:46,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:45:46,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:45:46,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:45:46,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:45:46,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:45:46,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:45:46,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:45:46,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:45:46,192 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 [2019-09-25 15:45:46,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:45:46,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:45:46,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:45:46,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:45:46,278 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:45:46,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-09-25 15:45:46,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cce5e4644/5642f127eabe4e15b9ab170c970d2a3f/FLAG72128169b [2019-09-25 15:45:46,931 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:45:46,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-09-25 15:45:46,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cce5e4644/5642f127eabe4e15b9ab170c970d2a3f/FLAG72128169b [2019-09-25 15:45:47,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cce5e4644/5642f127eabe4e15b9ab170c970d2a3f [2019-09-25 15:45:47,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:45:47,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:45:47,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:45:47,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:45:47,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:45:47,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:47,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620d03a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47, skipping insertion in model container [2019-09-25 15:45:47,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:47,211 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:45:47,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:45:47,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:45:47,758 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:45:47,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:45:47,904 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:45:47,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47 WrapperNode [2019-09-25 15:45:47,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:45:47,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:45:47,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:45:47,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:45:47,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:47,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:47,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:47,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:47,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:47,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:48,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (1/1) ... [2019-09-25 15:45:48,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:45:48,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:45:48,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:45:48,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:45:48,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:45:47" (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 15:45:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:45:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:45:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:45:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 15:45:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:45:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:45:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:45:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:45:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:45:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:45:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:45:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:45:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:45:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:45:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:45:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:45:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:45:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:45:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:45:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:45:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:45:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:45:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:45:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:45:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:45:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:45:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:45:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:45:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:45:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 15:45:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:45:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 15:45:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:45:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:45:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:45:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:45:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:45:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:45:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 15:45:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 15:45:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:45:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:45:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:45:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:45:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:45:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:45:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:45:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 15:45:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:45:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:45:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:45:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:45:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:45:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:45:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:45:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:45:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:45:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:45:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:45:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:45:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:45:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:45:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:45:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:45:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:45:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:45:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:45:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:45:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:45:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:45:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:45:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:45:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:45:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:45:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:45:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:45:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:45:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:45:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:45:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:45:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:45:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:45:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:45:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:45:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:45:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 15:45:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 15:45:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:45:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:45:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:45:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 15:45:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:45:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 15:45:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:45:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:45:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:45:49,750 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:45:49,750 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:45:49,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:45:49 BoogieIcfgContainer [2019-09-25 15:45:49,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:45:49,753 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:45:49,753 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:45:49,753 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:45:49,755 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:45:49" (1/1) ... [2019-09-25 15:45:49,755 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:45:49,782 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:45:49,783 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:45:49,794 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:45:49,804 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:45:49,809 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:45:59,936 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 15:46:01,839 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:46:01,992 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:46:02,136 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:46:02,256 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:46:02,290 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 15:46:02,352 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 15:46:02,358 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 15:46:02,881 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:46:03,281 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:46:03,826 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-25 15:46:04,473 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:46:04,476 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 15:46:04,568 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 15:46:04,575 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-25 15:46:04,588 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:46:04,588 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:46:04,590 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 447#(and (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string54.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0)) [2019-09-25 15:46:04,609 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:46:04,611 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:46:04,615 INFO L168 Benchmark]: Toolchain (without parser) took 17419.57 ms. Allocated memory was 138.4 MB in the beginning and 379.1 MB in the end (delta: 240.6 MB). Free memory was 85.2 MB in the beginning and 253.4 MB in the end (delta: -168.2 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:46:04,616 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-09-25 15:46:04,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.91 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 161.5 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-25 15:46:04,627 INFO L168 Benchmark]: Boogie Preprocessor took 103.85 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 157.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:46:04,630 INFO L168 Benchmark]: RCFGBuilder took 1742.29 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 157.1 MB in the beginning and 139.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:46:04,633 INFO L168 Benchmark]: Sifa took 14858.43 ms. Allocated memory was 220.2 MB in the beginning and 379.1 MB in the end (delta: 158.9 MB). Free memory was 139.7 MB in the beginning and 253.4 MB in the end (delta: -113.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:46:04,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 710.91 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 161.5 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.85 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 157.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1742.29 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 157.1 MB in the beginning and 139.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. * Sifa took 14858.43 ms. Allocated memory was 220.2 MB in the beginning and 379.1 MB in the end (delta: 158.9 MB). Free memory was 139.7 MB in the beginning and 253.4 MB in the end (delta: -113.8 MB). Peak memory consumption was 45.1 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]: 14808, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 201, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 12164, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 125, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 66, TOOLS_QUANTIFIERELIM_APPLICATIONS: 245, TOOLS_QUANTIFIERELIM_TIME[ms]: 12259, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12107, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 203, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 2046, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 161, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 76, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1769, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1769, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12506, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12505, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 348, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 111]: 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 447#(and (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string54.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...