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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:44:39,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:44:39,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:44:39,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:44:39,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:44:39,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:44:39,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:44:39,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:44:39,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:44:39,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:44:39,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:44:39,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:44:39,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:44:39,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:44:39,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:44:39,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:44:39,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:44:39,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:44:39,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:44:39,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:44:39,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:44:39,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:44:39,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:44:39,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:44:39,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:44:39,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:44:39,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:44:39,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:44:39,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:44:39,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:44:39,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:44:39,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:44:39,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:44:39,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:44:39,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:44:39,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:44:39,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:44:39,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:44:39,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:44:39,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:44:39,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:44:39,278 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 [2019-09-16 18:44:39,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:44:39,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:44:39,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:44:39,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:44:39,313 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:44:39,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:44:39,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:44:39,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:44:39,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:44:39,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:44:39,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:44:39,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:44:39,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:44:39,316 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:44:39,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:44:39,316 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:44:39,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:44:39,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:44:39,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:44:39,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:44:39,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:44:39,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:44:39,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:44:39,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:44:39,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:44:39,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:44:39,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:44:39,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:44:39,319 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_DDA [2019-09-16 18:44:39,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:44:39,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:44:39,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:44:39,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:44:39,398 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:44:39,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-16 18:44:39,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6223d02fc/9cad289167c94e80bc5eb506af4e8b54/FLAG13a03357f [2019-09-16 18:44:40,010 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:44:40,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-16 18:44:40,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6223d02fc/9cad289167c94e80bc5eb506af4e8b54/FLAG13a03357f [2019-09-16 18:44:40,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6223d02fc/9cad289167c94e80bc5eb506af4e8b54 [2019-09-16 18:44:40,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:44:40,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:44:40,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:44:40,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:44:40,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:44:40,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:40,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc1d1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40, skipping insertion in model container [2019-09-16 18:44:40,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:40,285 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:44:40,354 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:44:40,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:44:40,865 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:44:40,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:44:40,989 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:44:40,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40 WrapperNode [2019-09-16 18:44:40,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:44:40,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:44:40,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:44:40,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:44:41,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:41,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:41,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:41,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:41,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:41,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:41,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (1/1) ... [2019-09-16 18:44:41,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:44:41,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:44:41,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:44:41,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:44:41,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:44:40" (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 [2019-09-16 18:44:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:44:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:44:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 18:44:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 18:44:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 18:44:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 18:44:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 18:44:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 18:44:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 18:44:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 18:44:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 18:44:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 18:44:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 18:44:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 18:44:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 18:44:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 18:44:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 18:44:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 18:44:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 18:44:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 18:44:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 18:44:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 18:44:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 18:44:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 18:44:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 18:44:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 18:44:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 18:44:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 18:44:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 18:44:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 18:44:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 18:44:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:44:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 18:44:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 18:44:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 18:44:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 18:44:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 18:44:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 18:44:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 18:44:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 18:44:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 18:44:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:44:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 18:44:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 18:44:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 18:44:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 18:44:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 18:44:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 18:44:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 18:44:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 18:44:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 18:44:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 18:44:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 18:44:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:44:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:44:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 18:44:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:44:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:44:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:44:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:44:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 18:44:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:44:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 18:44:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 18:44:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:44:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 18:44:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 18:44:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 18:44:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 18:44:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 18:44:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 18:44:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 18:44:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 18:44:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 18:44:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 18:44:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 18:44:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 18:44:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 18:44:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 18:44:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 18:44:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 18:44:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 18:44:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 18:44:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 18:44:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 18:44:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 18:44:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 18:44:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 18:44:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 18:44:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 18:44:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 18:44:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:44:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 18:44:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:44:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 18:44:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:44:42,842 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:44:42,842 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 18:44:42,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:44:42 BoogieIcfgContainer [2019-09-16 18:44:42,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:44:42,847 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:44:42,847 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:44:42,847 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:44:42,849 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:44:42" (1/1) ... [2019-09-16 18:44:42,849 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 18:44:42,889 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:44:42,890 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:44:42,903 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:44:42,915 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:44:42,916 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:45:04,587 WARN L191 SmtUtils]: Spent 12.95 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 18:45:06,305 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 18:45:10,121 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 18:45:11,804 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 18:45:13,550 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 18:45:13,569 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-16 18:45:13,632 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-16 18:45:13,637 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-16 18:45:24,863 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-16 18:45:30,343 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-16 18:45:41,262 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-16 18:45:46,619 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-16 18:46:04,533 WARN L191 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 455 DAG size of output: 455 [2019-09-16 18:46:13,493 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 18:46:14,402 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-09-16 18:46:25,870 WARN L191 SmtUtils]: Spent 11.16 s on a formula simplification. DAG size of input: 468 DAG size of output: 459 [2019-09-16 18:46:31,289 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 18:46:37,120 WARN L191 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 458 DAG size of output: 453 [2019-09-16 18:46:38,969 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-16 18:46:49,828 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 462 DAG size of output: 459 [2019-09-16 18:46:55,547 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 18:47:06,936 WARN L191 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 465 DAG size of output: 459 [2019-09-16 18:47:12,579 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 18:47:25,162 WARN L191 SmtUtils]: Spent 12.56 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-16 18:47:25,415 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-16 18:47:25,642 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-16 18:47:25,843 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-16 18:47:29,451 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 453 DAG size of output: 453 [2019-09-16 18:47:31,214 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-16 18:47:49,236 WARN L191 SmtUtils]: Spent 17.98 s on a formula simplification. DAG size of input: 455 DAG size of output: 455 [2019-09-16 18:47:58,280 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 18:48:09,748 WARN L191 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 468 DAG size of output: 459 [2019-09-16 18:48:15,243 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 18:48:20,933 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 457 DAG size of output: 453 [2019-09-16 18:48:22,709 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-16 18:48:33,447 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 462 DAG size of output: 459 [2019-09-16 18:48:38,860 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 18:48:49,670 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-16 18:48:55,017 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-16 18:49:07,483 WARN L191 SmtUtils]: Spent 12.45 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-16 18:49:07,646 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-16 18:49:07,878 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-16 18:49:08,077 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-16 18:49:08,275 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 18 for LOIs [2019-09-16 18:49:08,956 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-16 18:49:09,010 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-16 18:49:09,156 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-16 18:49:09,159 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-16 18:49:09,178 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 18:49:09,179 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 18:49:09,181 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 469#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-16 18:49:09,193 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 18:49:09,193 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 18:49:09,195 INFO L168 Benchmark]: Toolchain (without parser) took 268930.34 ms. Allocated memory was 135.3 MB in the beginning and 144.2 MB in the end (delta: 8.9 MB). Free memory was 81.8 MB in the beginning and 108.2 MB in the end (delta: -26.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:49:09,195 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:49:09,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.28 ms. Allocated memory was 135.3 MB in the beginning and 195.6 MB in the end (delta: 60.3 MB). Free memory was 81.6 MB in the beginning and 159.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-16 18:49:09,197 INFO L168 Benchmark]: Boogie Preprocessor took 110.03 ms. Allocated memory is still 195.6 MB. Free memory was 159.9 MB in the beginning and 155.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-16 18:49:09,198 INFO L168 Benchmark]: RCFGBuilder took 1744.92 ms. Allocated memory was 195.6 MB in the beginning and 210.8 MB in the end (delta: 15.2 MB). Free memory was 155.9 MB in the beginning and 135.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. [2019-09-16 18:49:09,199 INFO L168 Benchmark]: Sifa took 266346.61 ms. Allocated memory was 210.8 MB in the beginning and 144.2 MB in the end (delta: -66.6 MB). Free memory was 135.0 MB in the beginning and 108.2 MB in the end (delta: 26.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:49:09,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.28 ms. Allocated memory was 135.3 MB in the beginning and 195.6 MB in the end (delta: 60.3 MB). Free memory was 81.6 MB in the beginning and 159.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.03 ms. Allocated memory is still 195.6 MB. Free memory was 159.9 MB in the beginning and 155.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1744.92 ms. Allocated memory was 195.6 MB in the beginning and 210.8 MB in the end (delta: 15.2 MB). Free memory was 155.9 MB in the beginning and 135.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. * Sifa took 266346.61 ms. Allocated memory was 210.8 MB in the beginning and 144.2 MB in the end (delta: -66.6 MB). Free memory was 135.0 MB in the beginning and 108.2 MB in the end (delta: 26.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 266292, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 242, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 155, TOOLS_POST_TIME[ms]: 27213, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 205, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 102, TOOLS_QUANTIFIERELIM_APPLICATIONS: 288, TOOLS_QUANTIFIERELIM_TIME[ms]: 27414, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27125, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 250, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 76, DOMAIN_JOIN_TIME[ms]: 212934, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 25378, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 44, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 264, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 142984, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 142983, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31842, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31841, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 347, DAG_COMPRESSION_RETAINED_NODES: 212 - UnprovableResult [Line: 968]: 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 469#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...