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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:11:45,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:11:45,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:11:45,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:11:45,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:11:45,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:11:45,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:11:45,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:11:45,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:11:45,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:11:45,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:11:45,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:11:45,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:11:45,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:11:45,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:11:45,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:11:45,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:11:45,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:11:45,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:11:45,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:11:45,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:11:45,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:11:45,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:11:45,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:11:45,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:11:45,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:11:45,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:11:45,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:11:45,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:11:45,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:11:45,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:11:45,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:11:45,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:11:45,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:11:45,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:11:45,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:11:45,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:11:45,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:11:45,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:11:45,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:11:45,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:11:45,384 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 15:11:45,399 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:11:45,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:11:45,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:11:45,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:11:45,401 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:11:45,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:11:45,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:11:45,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:11:45,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:11:45,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:11:45,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:11:45,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:11:45,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:11:45,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:11:45,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:11:45,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:11:45,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:11:45,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:11:45,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:11:45,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:11:45,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:11:45,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:11:45,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:11:45,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:11:45,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:11:45,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:11:45,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:11:45,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:11:45,405 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 -> NONE [2019-09-20 15:11:45,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:11:45,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:11:45,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:11:45,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:11:45,455 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:11:45,456 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-09-20 15:11:45,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85dfe2be4/1fb940f88bf14bc59daa12d94ac1e86d/FLAGbe26ff203 [2019-09-20 15:11:46,006 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:11:46,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-09-20 15:11:46,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85dfe2be4/1fb940f88bf14bc59daa12d94ac1e86d/FLAGbe26ff203 [2019-09-20 15:11:46,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85dfe2be4/1fb940f88bf14bc59daa12d94ac1e86d [2019-09-20 15:11:46,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:11:46,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:11:46,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:46,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:11:46,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:11:46,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:46" (1/1) ... [2019-09-20 15:11:46,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d87db16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:46, skipping insertion in model container [2019-09-20 15:11:46,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:46" (1/1) ... [2019-09-20 15:11:46,422 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:11:46,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:11:46,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:46,941 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:11:47,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:47,074 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:11:47,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47 WrapperNode [2019-09-20 15:11:47,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:47,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:11:47,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:11:47,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:11:47,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... [2019-09-20 15:11:47,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:11:47,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:11:47,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:11:47,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:11:47,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:11:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:11:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:11:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:11:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:11:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:11:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:11:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:11:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:11:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:11:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:11:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:11:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:11:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:11:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:11:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:11:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:11:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:11:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:11:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:11:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:11:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:11:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:11:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:11:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:11:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:11:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:11:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:11:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:11:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:11:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:11:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:11:48,775 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:11:48,775 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:11:48,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:48 BoogieIcfgContainer [2019-09-20 15:11:48,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:11:48,777 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:11:48,777 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:11:48,778 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:11:48,779 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:48" (1/1) ... [2019-09-20 15:11:48,779 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:11:48,804 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:11:48,805 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:11:48,816 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:11:48,828 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:11:48,830 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:11:59,822 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:11:59,863 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:11:59,926 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:11:59,932 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:12:00,438 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:12:00,439 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-20 15:12:00,451 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-20 15:12:00,458 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-20 15:12:00,459 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:12:00,459 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:12:00,461 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 452#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (<= ~waterLevel~0 2147483647) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0)) [2019-09-20 15:12:00,475 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:12:00,476 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:12:00,478 INFO L168 Benchmark]: Toolchain (without parser) took 14072.68 ms. Allocated memory was 140.5 MB in the beginning and 306.2 MB in the end (delta: 165.7 MB). Free memory was 86.9 MB in the beginning and 228.0 MB in the end (delta: -141.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:00,479 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:12:00,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.79 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.7 MB in the beginning and 166.6 MB in the end (delta: -79.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:00,481 INFO L168 Benchmark]: Boogie Preprocessor took 81.19 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 162.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:00,482 INFO L168 Benchmark]: RCFGBuilder took 1620.06 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 162.4 MB in the beginning and 148.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:00,483 INFO L168 Benchmark]: Sifa took 11698.88 ms. Allocated memory was 226.5 MB in the beginning and 306.2 MB in the end (delta: 79.7 MB). Free memory was 148.0 MB in the beginning and 228.0 MB in the end (delta: -80.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:12:00,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.79 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.7 MB in the beginning and 166.6 MB in the end (delta: -79.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.19 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 162.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1620.06 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 162.4 MB in the beginning and 148.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Sifa took 11698.88 ms. Allocated memory was 226.5 MB in the beginning and 306.2 MB in the end (delta: 79.7 MB). Free memory was 148.0 MB in the beginning and 228.0 MB in the end (delta: -80.1 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]: 11657, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 193, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 127, TOOLS_POST_TIME[ms]: 11041, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 154, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 77, TOOLS_QUANTIFIERELIM_APPLICATIONS: 229, TOOLS_QUANTIFIERELIM_TIME[ms]: 11174, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10934, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 195, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 42, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 47, DOMAIN_ISBOTTOM_TIME[ms]: 193, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 136, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 135, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11006, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11005, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 464, DAG_COMPRESSION_RETAINED_NODES: 196 - 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 452#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (<= ~waterLevel~0 2147483647) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...