java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:54:36,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:54:36,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:54:36,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:54:36,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:54:36,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:54:36,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:54:36,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:54:36,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:54:36,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:54:36,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:54:36,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:54:36,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:54:36,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:54:36,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:54:36,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:54:36,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:54:36,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:54:36,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:54:36,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:54:36,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:54:36,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:54:36,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:54:36,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:54:36,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:54:36,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:54:36,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:54:36,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:54:36,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:54:36,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:54:36,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:54:36,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:54:36,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:54:36,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:54:36,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:54:36,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:54:36,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:54:36,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:54:36,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:54:36,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:54:36,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:54:36,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:54:36,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:54:36,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:54:36,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:54:36,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:54:36,395 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:54:36,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:54:36,396 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:54:36,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:54:36,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:54:36,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:54:36,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:54:36,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:54:36,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:54:36,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:54:36,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:54:36,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:54:36,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:54:36,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:54:36,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:54:36,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:54:36,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:54:36,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:54:36,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:54:36,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:54:36,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:54:36,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:54:36,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:54:36,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:54:36,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:54:36,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:54:36,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:54:36,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:54:36,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:54:36,489 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:54:36,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-09-20 15:54:36,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4012fbfc/eb6778a8cbc44c1c85d7a0a4f1d59756/FLAG0aff5ed73 [2019-09-20 15:54:37,084 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:54:37,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-09-20 15:54:37,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4012fbfc/eb6778a8cbc44c1c85d7a0a4f1d59756/FLAG0aff5ed73 [2019-09-20 15:54:37,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4012fbfc/eb6778a8cbc44c1c85d7a0a4f1d59756 [2019-09-20 15:54:37,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:54:37,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:54:37,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:37,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:54:37,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:54:37,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:37" (1/1) ... [2019-09-20 15:54:37,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7037bd7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:37, skipping insertion in model container [2019-09-20 15:54:37,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:37" (1/1) ... [2019-09-20 15:54:37,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:54:37,468 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:54:37,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:37,934 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:54:38,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:38,092 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:54:38,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38 WrapperNode [2019-09-20 15:54:38,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:38,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:54:38,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:54:38,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:54:38,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... [2019-09-20 15:54:38,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... [2019-09-20 15:54:38,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... [2019-09-20 15:54:38,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... [2019-09-20 15:54:38,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... [2019-09-20 15:54:38,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... [2019-09-20 15:54:38,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... [2019-09-20 15:54:38,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:54:38,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:54:38,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:54:38,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:54:38,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:54:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:54:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:54:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:54:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:54:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:54:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:54:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:54:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:54:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:54:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:54:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:54:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:54:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:54:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:54:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:54:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:54:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:54:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:54:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:54:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:54:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:54:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:54:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:54:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:54:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:54:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:54:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:54:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:54:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:54:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:54:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:54:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:54:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:54:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:54:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:54:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:54:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:54:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:54:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:54:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:54:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:54:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:54:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:54:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:54:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:54:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:54:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:54:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:54:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:54:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:54:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:54:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:54:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:54:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:54:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:54:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:54:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:54:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:54:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:54:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:54:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:54:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:54:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:54:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:54:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:54:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:54:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:54:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:54:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:54:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:54:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:54:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:54:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:54:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:54:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:54:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:54:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:54:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:54:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:54:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:54:40,015 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:54:40,015 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:54:40,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:40 BoogieIcfgContainer [2019-09-20 15:54:40,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:54:40,017 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:54:40,017 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:54:40,018 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:54:40,019 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:40" (1/1) ... [2019-09-20 15:54:40,020 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:54:40,046 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:54:40,047 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:54:40,060 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:54:40,069 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:54:40,070 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:54:49,266 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:54:51,150 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:54:51,308 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:51,436 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:51,566 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:51,583 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:54:51,634 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:54:51,652 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:54:51,844 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:54:51,999 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:54:52,470 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:52,762 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:52,991 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:53,220 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:53,400 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:53,599 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:53,781 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:53,999 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:54,449 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:54,780 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:55,642 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:54:56,221 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:54:56,544 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:56,875 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:57,458 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:54:58,312 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:58,717 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:59,357 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:54:59,924 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:55:00,250 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:00,565 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:01,123 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:55:01,193 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:55:01,220 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:55:01,232 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:55:01,235 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:55:01,237 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:55:01,238 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:55:01,240 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 462#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:55:01,253 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:55:01,253 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:55:01,256 INFO L168 Benchmark]: Toolchain (without parser) took 23859.59 ms. Allocated memory was 137.4 MB in the beginning and 785.4 MB in the end (delta: 648.0 MB). Free memory was 85.2 MB in the beginning and 126.8 MB in the end (delta: -41.5 MB). Peak memory consumption was 606.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:01,256 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:55:01,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.61 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 164.2 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:01,258 INFO L168 Benchmark]: Boogie Preprocessor took 101.76 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 159.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:01,259 INFO L168 Benchmark]: RCFGBuilder took 1820.45 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 159.7 MB in the beginning and 142.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:01,260 INFO L168 Benchmark]: Sifa took 21236.38 ms. Allocated memory was 221.2 MB in the beginning and 785.4 MB in the end (delta: 564.1 MB). Free memory was 142.8 MB in the beginning and 126.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 580.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:01,265 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 137.4 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.61 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 164.2 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.76 ms. Allocated memory is still 198.2 MB. Free memory was 164.2 MB in the beginning and 159.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1820.45 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 159.7 MB in the beginning and 142.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 21236.38 ms. Allocated memory was 221.2 MB in the beginning and 785.4 MB in the end (delta: 564.1 MB). Free memory was 142.8 MB in the beginning and 126.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 580.2 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]: 21193, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 220, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 151, TOOLS_POST_TIME[ms]: 11286, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 166, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 264, TOOLS_QUANTIFIERELIM_TIME[ms]: 11441, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11176, FLUID_QUERY_TIME[ms]: 37, FLUID_QUERIES: 225, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 78, DOMAIN_JOIN_TIME[ms]: 9297, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 178, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 289, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 288, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11580, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11579, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 453, DAG_COMPRESSION_RETAINED_NODES: 238 - UnprovableResult [Line: 44]: 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 462#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...