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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:37:34,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:37:34,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:37:34,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:37:34,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:37:34,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:37:34,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:37:34,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:37:34,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:37:34,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:37:34,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:37:34,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:37:34,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:37:34,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:37:34,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:37:34,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:37:34,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:37:34,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:37:34,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:37:34,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:37:34,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:37:34,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:37:34,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:37:34,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:37:34,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:37:34,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:37:34,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:37:34,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:37:34,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:37:34,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:37:34,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:37:34,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:37:34,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:37:34,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:37:34,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:37:34,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:37:34,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:37:34,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:37:34,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:37:34,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:37:34,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:37:34,217 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 22:37:34,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:37:34,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:37:34,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:37:34,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:37:34,244 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:37:34,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:37:34,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:37:34,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:37:34,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:37:34,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:37:34,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:37:34,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:37:34,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:37:34,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:37:34,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:37:34,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:37:34,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:37:34,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:37:34,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:37:34,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:37:34,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:37:34,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:37:34,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:37:34,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:37:34,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:37:34,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:37:34,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:37:34,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:37:34,250 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:37:34,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:37:34,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:37:34,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:37:34,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:37:34,334 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:37:34,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2019-09-20 22:37:34,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83e1c7971/9e5c2b0902114724952990753e843080/FLAGfc60e2825 [2019-09-20 22:37:34,967 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:37:34,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2019-09-20 22:37:34,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83e1c7971/9e5c2b0902114724952990753e843080/FLAGfc60e2825 [2019-09-20 22:37:35,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83e1c7971/9e5c2b0902114724952990753e843080 [2019-09-20 22:37:35,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:37:35,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:37:35,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:37:35,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:37:35,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:37:35,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:35,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566a5914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35, skipping insertion in model container [2019-09-20 22:37:35,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:35,324 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:37:35,367 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:37:35,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:37:35,793 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:37:35,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:37:35,983 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:37:35,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35 WrapperNode [2019-09-20 22:37:35,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:37:35,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:37:35,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:37:35,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:37:35,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:35,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:36,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:36,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:36,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:36,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:36,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (1/1) ... [2019-09-20 22:37:36,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:37:36,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:37:36,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:37:36,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:37:36,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:35" (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 22:37:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:37:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:37:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:37:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:37:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:37:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:37:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:37:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:37:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:37:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:37:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:37:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:37:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:37:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:37:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:37:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 22:37:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:37:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:37:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:37:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:37:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:37:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:37:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:37:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:37:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:37:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:37:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:37:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:37:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:37:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:37:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:37:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:37:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:37:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:37:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:37:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:37:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:37:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:37:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 22:37:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 22:37:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 22:37:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:37:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:37:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:37:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:37:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:37:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:37:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:37:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:37:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:37:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:37:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:37:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:37:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:37:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:37:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:37:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:37:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:37:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:37:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:37:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:37:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:37:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:37:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:37:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:37:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:37:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:37:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 22:37:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:37:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:37:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:37:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:37:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:37:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:37:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:37:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:37:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:37:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:37:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:37:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:37:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:37:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:37:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:37:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:37:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 22:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 22:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:37:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 22:37:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:37:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:37:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:37:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:37:37,736 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:37:37,736 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:37:37,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:37 BoogieIcfgContainer [2019-09-20 22:37:37,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:37:37,739 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:37:37,739 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:37:37,739 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:37:37,740 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:37" (1/1) ... [2019-09-20 22:37:37,741 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:37:37,769 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:37:37,769 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:37:37,780 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:37:37,789 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:37:37,791 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:37:58,576 WARN L191 SmtUtils]: Spent 12.13 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:38:00,339 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:38:04,139 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:38:05,928 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:38:07,714 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:38:07,747 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:38:07,786 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-20 22:38:07,795 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-20 22:38:09,377 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 22:38:09,415 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 22:38:09,431 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 22:38:09,440 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-20 22:38:09,444 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:38:09,444 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:38:09,447 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1538#(= ~switchedOnBeforeTS~0 0) [2019-09-20 22:38:09,459 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:38:09,459 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:38:09,461 INFO L168 Benchmark]: Toolchain (without parser) took 34151.56 ms. Allocated memory was 141.6 MB in the beginning and 433.1 MB in the end (delta: 291.5 MB). Free memory was 86.7 MB in the beginning and 318.9 MB in the end (delta: -232.2 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:09,462 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:38:09,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.25 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 166.2 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:09,465 INFO L168 Benchmark]: Boogie Preprocessor took 81.66 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 162.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:09,466 INFO L168 Benchmark]: RCFGBuilder took 1671.29 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 162.1 MB in the beginning and 144.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:09,467 INFO L168 Benchmark]: Sifa took 31720.88 ms. Allocated memory was 228.6 MB in the beginning and 433.1 MB in the end (delta: 204.5 MB). Free memory was 144.7 MB in the beginning and 318.9 MB in the end (delta: -174.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:09,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.25 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 166.2 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.66 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 162.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1671.29 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 162.1 MB in the beginning and 144.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * Sifa took 31720.88 ms. Allocated memory was 228.6 MB in the beginning and 433.1 MB in the end (delta: 204.5 MB). Free memory was 144.7 MB in the beginning and 318.9 MB in the end (delta: -174.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 31679, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 501, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 331, TOOLS_POST_TIME[ms]: 26354, TOOLS_POST_CALL_APPLICATIONS: 138, TOOLS_POST_CALL_TIME[ms]: 71, TOOLS_POST_RETURN_APPLICATIONS: 129, TOOLS_POST_RETURN_TIME[ms]: 47, TOOLS_QUANTIFIERELIM_APPLICATIONS: 598, TOOLS_QUANTIFIERELIM_TIME[ms]: 26385, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26284, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 518, FLUID_YES_ANSWERS: 518, DOMAIN_JOIN_APPLICATIONS: 153, DOMAIN_JOIN_TIME[ms]: 4384, DOMAIN_ALPHA_APPLICATIONS: 518, DOMAIN_ALPHA_TIME[ms]: 573, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 89, DOMAIN_ISBOTTOM_TIME[ms]: 92, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1208, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1207, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 129, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30179, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30178, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 643, DAG_COMPRESSION_RETAINED_NODES: 337 - UnprovableResult [Line: 595]: 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 1538#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...