java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:23:46,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:23:46,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:23:46,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:23:46,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:23:46,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:23:46,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:23:46,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:23:46,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:23:46,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:23:46,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:23:46,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:23:46,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:23:46,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:23:46,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:23:46,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:23:46,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:23:46,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:23:46,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:23:46,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:23:46,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:23:46,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:23:46,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:23:46,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:23:46,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:23:46,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:23:46,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:23:46,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:23:46,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:23:46,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:23:46,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:23:46,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:23:46,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:23:46,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:23:46,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:23:46,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:23:46,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:23:46,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:23:46,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:23:46,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:23:46,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:23:46,383 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 [2019-09-19 17:23:46,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:23:46,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:23:46,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:23:46,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:23:46,400 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:23:46,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:23:46,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:23:46,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:23:46,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:23:46,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:23:46,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:23:46,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:23:46,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:23:46,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:23:46,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:23:46,402 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:23:46,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:23:46,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:23:46,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:23:46,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:23:46,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:23:46,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:23:46,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:23:46,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:23:46,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:23:46,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:23:46,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:23:46,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:23:46,405 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:23:46,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:23:46,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:23:46,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:23:46,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:23:46,459 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:23:46,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-09-19 17:23:46,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911d65455/3840ce72d3ee41008fede60e553e0e1a/FLAG54b99b264 [2019-09-19 17:23:47,040 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:23:47,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-09-19 17:23:47,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911d65455/3840ce72d3ee41008fede60e553e0e1a/FLAG54b99b264 [2019-09-19 17:23:47,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911d65455/3840ce72d3ee41008fede60e553e0e1a [2019-09-19 17:23:47,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:23:47,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:23:47,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:47,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:23:47,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:23:47,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:47" (1/1) ... [2019-09-19 17:23:47,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:47, skipping insertion in model container [2019-09-19 17:23:47,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:47" (1/1) ... [2019-09-19 17:23:47,395 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:23:47,453 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:23:47,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:47,911 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:23:48,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:48,061 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:23:48,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48 WrapperNode [2019-09-19 17:23:48,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:48,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:23:48,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:23:48,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:23:48,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (1/1) ... [2019-09-19 17:23:48,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (1/1) ... [2019-09-19 17:23:48,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (1/1) ... [2019-09-19 17:23:48,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (1/1) ... [2019-09-19 17:23:48,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (1/1) ... [2019-09-19 17:23:48,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (1/1) ... [2019-09-19 17:23:48,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (1/1) ... [2019-09-19 17:23:48,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:23:48,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:23:48,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:23:48,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:23:48,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:48" (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 [2019-09-19 17:23:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:23:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:23:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:23:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:23:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:23:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:23:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:23:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:23:48,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:23:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:23:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:23:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:23:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:23:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:23:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:23:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:23:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:23:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:23:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:23:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:23:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:23:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:23:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:23:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:23:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:23:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:23:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:23:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:23:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:23:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:23:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 17:23:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:23:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:23:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:23:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:23:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:23:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:23:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:23:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:23:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:23:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:23:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:23:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:23:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:23:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:23:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:23:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:23:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:23:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:23:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:23:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:23:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:23:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:23:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:23:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:23:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:23:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:23:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:23:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:23:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:23:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:23:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:23:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:23:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:23:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:23:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:23:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:23:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 17:23:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:23:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:23:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:23:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:23:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:23:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:23:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:23:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:23:49,882 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:23:49,882 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:23:49,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:49 BoogieIcfgContainer [2019-09-19 17:23:49,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:23:49,884 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:23:49,884 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:23:49,885 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:23:49,886 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:49" (1/1) ... [2019-09-19 17:23:49,887 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-19 17:23:49,911 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:23:49,911 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:23:49,920 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:23:49,929 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:23:49,931 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:24:15,709 WARN L191 SmtUtils]: Spent 15.61 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:24:17,437 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:24:21,338 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:24:23,178 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:24,963 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:24,997 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-19 17:24:25,035 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-19 17:24:25,038 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-19 17:24:27,361 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 17:24:27,407 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 17:24:27,417 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 17:24:27,435 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:24:27,437 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:24:27,437 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:24:27,439 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1760#true [2019-09-19 17:24:27,448 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:24:27,448 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:24:27,450 INFO L168 Benchmark]: Toolchain (without parser) took 40071.92 ms. Allocated memory was 130.5 MB in the beginning and 478.7 MB in the end (delta: 348.1 MB). Free memory was 85.4 MB in the beginning and 313.2 MB in the end (delta: -227.7 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:27,451 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 130.5 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. [2019-09-19 17:24:27,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.94 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 163.4 MB in the end (delta: -78.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:27,452 INFO L168 Benchmark]: Boogie Preprocessor took 114.79 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 159.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:27,453 INFO L168 Benchmark]: RCFGBuilder took 1706.29 ms. Allocated memory was 198.2 MB in the beginning and 217.1 MB in the end (delta: 18.9 MB). Free memory was 159.4 MB in the beginning and 150.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 96.2 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:27,454 INFO L168 Benchmark]: Sifa took 37563.82 ms. Allocated memory was 217.1 MB in the beginning and 478.7 MB in the end (delta: 261.6 MB). Free memory was 150.5 MB in the beginning and 313.2 MB in the end (delta: -162.7 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:27,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 130.5 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 682.94 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 163.4 MB in the end (delta: -78.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.79 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 159.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1706.29 ms. Allocated memory was 198.2 MB in the beginning and 217.1 MB in the end (delta: 18.9 MB). Free memory was 159.4 MB in the beginning and 150.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 96.2 MB. Max. memory is 7.1 GB. * Sifa took 37563.82 ms. Allocated memory was 217.1 MB in the beginning and 478.7 MB in the end (delta: 261.6 MB). Free memory was 150.5 MB in the beginning and 313.2 MB in the end (delta: -162.7 MB). Peak memory consumption was 98.9 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]: 37528, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 588, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 429, TOOLS_POST_TIME[ms]: 31427, TOOLS_POST_CALL_APPLICATIONS: 129, TOOLS_POST_CALL_TIME[ms]: 69, TOOLS_POST_RETURN_APPLICATIONS: 120, TOOLS_POST_RETURN_TIME[ms]: 39, TOOLS_QUANTIFIERELIM_APPLICATIONS: 678, TOOLS_QUANTIFIERELIM_TIME[ms]: 31442, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31337, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 610, FLUID_YES_ANSWERS: 610, DOMAIN_JOIN_APPLICATIONS: 189, DOMAIN_JOIN_TIME[ms]: 5082, DOMAIN_ALPHA_APPLICATIONS: 610, DOMAIN_ALPHA_TIME[ms]: 581, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 22, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 132, DOMAIN_ISBOTTOM_TIME[ms]: 158, LOOP_SUMMARIZER_APPLICATIONS: 21, LOOP_SUMMARIZER_CACHE_MISSES: 21, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1732, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1731, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 22, CALL_SUMMARIZER_APPLICATIONS: 120, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 35158, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35157, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 794, DAG_COMPRESSION_RETAINED_NODES: 346 - UnprovableResult [Line: 183]: 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 1760#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...